The test statistic of z= 1.06 is obtained when testing the claim that p > 0.4. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of α = 0.10, should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. This is a right-tailed test. b. P-value = (Round to three decimal places as needed.)
Q: The test statistic of z = 1.59 is obtained when testing the claim that p *0.337. a. Identify the…
A: The test statistic is and the claim is .
Q: The test statistic of z = - 2.88 is obtained when testing the claim that p# 0.375. This is a…
A: We have given that Test Statistics z = -2.88 Claim : p ≠ 0.375 (two tailed test) Significance level…
Q: A pharmaceutical company produces pills of dose level of 40 mg. To maintain the quality control, the…
A: Given information Hypothesized mean µ = 40 mg Standard deviation σ = 0.4 mg Sample mean x-bar = 39.5…
Q: The test statistic of z = 2.28 is obtained when testing the claim that p # 0.255. a. Identify the…
A: Given that: Z = 2.28 Claim : p is not equal to 0.255 Significance level = 0.05
Q: The test statistic of z = 2.18 is obtained when testing the claim that p *0.187. a. Identify the…
A: Given,Test statistic, z = 2.18Claim is, Level of significance, α = 0.01
Q: The test statistic of z = 1.18 is obtained when testing the claim that p 0.806. a. Identify the…
A: P(Z < 1.18 ) = 0.881 [using Excel function NORM.S.DIST(1.18) or Normal table ]
Q: A renowned steel company that produces metal products with a mean weight of 118 kg and standard…
A: Given : sample size, n =50 sample mean, x̄ =120 population standard deviation,σ=30…
Q: a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the…
A: here given , test statistic = z = 1.52 Testing claim p > 0.3
Q: The test statistic of z = 1.06 obtained when testing the claim that p > 0.9. a. Identify the…
A: Test statistic: z=1.06 Claim: The population proportion is greater than 0.90 i.e., p>0.9
Q: group able. Assume that the two samples are independent simple random samples μ d from normally…
A: Given Significance level =0.05
Q: The test statistic of z= -1.23 is obtained when testing the claim that p *0.587. This is a…
A: Test statistic z=-1.23 Level of significance=0.10 Claim p≠0.587 We have to find the critical…
Q: A study was done using a treatment group and a placebo group. The results are shown in the table.…
A: Part (a): Hypothesis TestingStep 1: State the Null and Alternative Hypotheses Given the options:A)H0…
Q: more income than the national average?
A: Given that The mean income per person in the United States is $44,500 (μ=44500) The distribution of…
Q: A study is to be made to estimate the proportion of residents of a certain city and its suburbs who…
A: Hello! Since you have posted 2 different questions, we are answering the first questions. If case…
Q: Do men score lower on average compared to women on their statistics finals? Final exam scores of…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…
Q: The test statistic of z= 1.57 is obtained when testing the claim that p > 0.3. a. Identify the…
A: Answer Given Z = 1.57 H0: P= 0.5 H1: P>0.5 [right-tailed test]. alpha = 0.01
Q: For this study, we should use Select an answer The null and alternative hypotheses would be: Ho:…
A: MaleFemale7689668767787669689584748476769192808889597758686670
Q: The test statistic of z= 2.16 is obtained when testing the claim that p>0.4. a. Identify the…
A:
Q: The test statistic of z= 2.33 is obtained when testing the claim that p>0.2. a. Identify the…
A: Claim : p >0.2 (a) It is a right tailed.
Q: A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly…
A: Manufacturer of chocolate chips bag filling time = 426Sample of 9 bags are chosen. A 9 bag contains…
Q: The test statistic of z = 0.54 is obtained when testing the claim that p> 0.9. a. Identify the…
A:
Q: A study was conducted to determine whether magnets were effective in treating pain. The values…
A: n1 = 20n2 = 20x¯1 = 0.43x¯1 = 0.47s1 = 1.37s2 = 0.94 α = 0.05claim : σ12 > σ22
Q: The test statistic of z = 2.31 is obtained when testing the claim that p > 0.3. a. Identify the…
A:
Q: The test statistic of z= 1.84 is obtained when testing the claim th a. Identify the hypothesis test…
A: Given: z=1.84 p≠0.895 Level of significance, α = 0.01 (a) Set the hypothesis: H0 :p=0.895Ha…
Q: The test statistic of z = 2.07 is obtained when testing the claim that p>0.3. a. Identify the…
A:
Q: A 0.01 significance level is used for a hypothesis test of the claim that when parents use a…
A: In test of hypotheses, Critical Values are the cut-off values that provide with the regions in which…
Q: You have a random sample of 49 values with a sample mean of 8.5 and a sample standard deviation of…
A: a. Determine if it is appropriate to use a Student's t distribution and explain why. Calculate the…
Q: A 0.05 significance level is used for a hypothesis test of the claim that when parents use a…
A:
Q: background color appear to have an effect on the variation of word recall scores? X S n 34 15.35…
A: Consider population of Red background scores as and that of Blue background scores as .Sample sizes…
Q: The test statistic of z = 2.16 is obtained when testing the claim that p# 0.226. a. Identify the…
A: Given : Claim : p ≠ 0.226
Q: The test statistic of z= 1.48 is obtained when testing the claim that p > 0.2. a. Identify the…
A: The question is about hypo. testingGiven :Claim : p > 0.2Test stat : z = 1.48Level of signif. (…
Q: The test statistic of z = 1.30 is obtained when testing the claim that p> 0.2. a. Identify the…
A: Given that z = 1.30 Significance level = 0.01
Q: of word recall are given below. Use a 0.05 significance level to test the claim that the samples are…
A: The following null and alternative hypotheses need to be tested: This corresponds to a two-tailed…
Q: If you use a 0.06 level of significance in a two-tail hypothesis test, what is your decision rule…
A:
Q: Treatment Placebo H1 H₂ A study was done using a treatment group and a placebo group. The results…
A: Given data, The study of treatment group and placebo group is provided. These two samples are…
Q: comma to separate answers as needed.) Part 8
A: *Answer:
Q: The test statistic of z= 1.61 is obtained when testing the claim that p # 0.259. a. Identify the…
A: From the provided information, The test statistic is z = 1.61 The claim is p ≠ 0.259
Q: The test statistic of z = 1.68 is obtained when testing the claim that p # 0.302. a. Identify the…
A: Given, Z=1.68 p≠0.302
Q: Is memory ability before a meal the same as after a meal? Ten people were given memory tests before…
A: From the provided information, Sample size (n) = 10 Level of significance (α) = 0.01 The difference…
Q: A 0.01 significance level is used for a hypothesis test of the claim that when parents use a…
A:
Q: lest the P-value an d decide wrhethei, at ue 5 70 Signncanice e null hypothesis in favor of the…
A: The required P-value can be obtained by using the standard normal table. For this case, find the…
Q: A two-sided hypothesis test is being conducted for testing the mean of a normal distribution at the…
A: Given: Number of random samples =n=9 Population Variance = σ2=12.20 Claim H0:μ=60HA:μ≠60 Confidence…
Q: The test statistic of z = 2.55 is obtained when testing the claim that p * 0.269. a. Identify the…
A: Test statistic z=2.55 H0: p=0.269 Ha: p≠0.269 we have to find a..Test is one tailed, two tailed…
Q: The mean income per person in the United States is $36,000, and the distribution of incomes follows…
A: Ytyi
Q: The test statistic of z = 0.81 is obtained when testing the claim that p > 0.2. a. Identify the…
A: According to the given information, we have Given that the test statistic of z=0.81 is obtained when…
Q: y was conducted to determine whether magnets were effective in treating pain. The values represent…
A: Given that Sample sizes n1=20 n2=20 Standard deviation s1=1.24 , s2=0.92
Q: a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the…
A: The test statistic of z = 0.54 is obtained when testing the claim that p > 0.5. b. Find the…
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- Areas under the Normal Curve .00 .01 .02 .03 .04 .05 .06 .07 .08 .09 0.5040 0.5438 0.5832 0.5199 0.5596 0.5239 0,5636 0.6026 0.5279 0,5675 0.6064 0.0 0.5000 0.5080 0.5120 0.5319 0.5714 0.6103 0.5160 0.5359 0.0 0.5753 0.1 0.2 0.5398 0.5478 0.5517 0.5557 0.1 0.5793 0.5871 0.5910 0.5948 0.5987 0.6141 0.2 0.6331 0.6700 0.6368 0.6480 0.6517 0.6879 0.6179 0.6217 0.6255 0.6628 0.6293 0.6664 0.6406 0.6443 0.6808 0.3 0.4 0.3 0.4 0.6554 0.6591 0.6736 0.6772 0.6844 0.6985 0.7324 0.7642 0.7224 0.7549 0.7852 0.5 0.6915 0.6950 0.7019 0.7054 0.7088 0.7123 0.7157 0.7190 0.5 0.6 0.7257 0.7291 0.7357 0.7389 0.7422 0.7734 0.7454 0.7486 0.7794 0.8078 0.7517 0.7823 0.6 0.7 0.7580 0.7611 0.7673 0.7704 0.7764 0.7 0.7995 0.8264 0.7939 0.8 0.9 0.8051 0.8315 0.8133 0.8389 0.7881 0.7910 0.7967 0.8023 0.8106 0.8 0.8159 0.8186 0.8212 0.8238 0.8289 0.8340 0.8365 0.9 1.0 0.8413 0.8485 0.8554 0.8770 0.8962 0.8599 0.8810 0.8438 0.8461 0.8508 0.8531 0.8577 0.8621 1.0 1.1 0.8643 0.8665 0.8686 0.8708 0.8830 0.8729 0.8925…The test statistic of z = 1.50 is obtained when testing the claim that p # 0.211. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of a= 0.10, should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. This is a test. b. P-value = (Round to three decimal places as needed.) c. Choose the correct conclusion below. O A. Reject Ho. There is sufficient evidence to support the claim that p#0.211. O B. Fail to reject Ho. There is not sufficient evidence to support the claim that p#0.211. O C. Fail to reject Ho. There is sufficient evidence to support the claim that p#0.211. O D. Reject Ho. There is not sufficient evidence to support the claim that p#0.211. MacBo 000 esc 000 F4 F1 F2 F3 F5The test statistic of z = 0.81 is obtained when testing the claim that p > 0.2. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of α = 0.10, should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table Click here to view page 2 of the standard normal distribution table. a. This is a test. b. P-value = (Round to three decimal places as needed.) c. Choose the correct conclusion below. Half O A. Fail to reject Ho. There is not sufficient evidence to support the claim that p > 0.2 B. Reject Ho. There is not sufficient evidence to support the claim that p > 0.2 O C. Fail to reject Ho. There is sufficient evidence to support the claim that p>0.2. OD. Reject Ho. There is sufficient evidence to support the claim that p>0.2. R
- The test statistic of z = 1.41 is obtained when testing the claim that p > 0.1. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of α = 0.01, should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. This is a b. P-value= test. (Round to three decimal places as needed.) c. Choose the correct conclusion below. O A. Fail to reject Ho. There is not sufficient evidence to support the claim that p > 0.1. O B. Fail to reject Ho. There is sufficient evidence to support the claim that p > 0.1. O C. Reject Ho. There is not sufficient evidence to support the claim that p>0.1. OD. Reject Ho. There is sufficient evidence to support the claim that p > 0.1.reject Ho or should we fail to reject Ho? distribution table distribution table as needed.) support the clain ce to support the d ence to support the evidence to suppo 1 6 Y H N tv C FO & Standard Normal Distribution Table (Page 1) 7 9 MacBook Air U NEGATIVE z Scores J z -3.50 and lower -3.4 -3.3 -3.2 -3.1 -3.0 -2.9 -2.8 F7 e S74 M * Standard Normal (2) Distribution: Cumulative Area from the LEFT .00 .01 .02 .03 .04 .05 0001 8 0003 .0005 0007 0010 0013 .0019 0026 1 K DII FB 0003 .0005 .0007 .0009 .0013 0018 0025 V & a ( 6. 9 O 0003 0005 .0006 0009 0013 0018 0024 DD FO L ) O. V .0003 .0004 0006 .0009 0012 0017 0023 P F10 I command option .0003 .0004 .0006 .0008 .0012 0016 0023 - 0003 .0004 .0006 .0008 .0011 .0016 .0022 N fro { 4 [ ? 1 F11 +11 = 11 .06 0003 .0004 .0006 .0008 .0011 .0015 .0021 z F12 } 1 0 07 .0003 .0004 .0005 .0008 .0011 .0015 .0021 08 .0003 .0004 .0005 .0007 .0010 0014 0020 delete 38 return shiOn average is the younger sibling's IQ lower than the older sibling's IQ? Ten sibling pairs were given IQ tests. The data are shown below. IQ Scores Younger Sibling 91 87 110 104 111 100 92 98 119 105 Older Sibling 102 90 121 117 121 103 98 111 137 98 Assume a Normal distribution. What can be concluded at the the αα = 0.10 level of significance? For this study, we should use The null and alternative hypotheses would be: H0:H0: (please enter a decimal) H1:H1: (Please enter a decimal) The test statistic = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is αα Based on this, we should the null hypothesis. Thus, the final conclusion is that ... The results are statistically insignificant at αα = 0.10, so there is statistically significant evidence to conclude that the population mean IQ score for younger siblings is equal to the population…
- The test statistic of z = 2.25 is obtained when testing the claim that p> 0.1. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of a = 0.10, should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. This is a V test.The test statistic of z= 1.79 is obtained when testing the claim that p > 0.9. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of α = 0.10, should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. This is a test. (Round to three decimal places as needed.) b. P-value= c. Choose the correct conclusion below. O A. O B. Fail to reject Ho. There is not sufficient evidence to support the claim that p>0.9. Fail to reject Ho. There is sufficient evidence to support the claim that p>0.9. O C. Reject Ho. There is sufficient evidence to support the claim that p > 0.9. O D. Reject Ho. There is not sufficient evidence to support the claim that p>0.9.The test statistic of z = 1.98 is obtained when testing the claim that p ≠ 0.752. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of a = 0.10, should we reject Ho or should we fail to reject Ho?
- The test statistic of z=2.12 is obtained when testing the claim that p > 0.3. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of a = 0.10, should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. This is a test.Does color enhance creativity? Test the indicated claim about the standard deviations or variances of two populations. Subjects are given a creativity exercise on a computer with either a red background or a blue background. The scores are shown in the table. At the 0.05 significance level, test the claim that those tested with red background have creativity scores with a standard deviation equal to the standard deviation for those tested with a blue background. Red Background Blue Background n1 = 39 n2 = 34 xˉx̄1 = 19.6 xˉx̄2 = 20.5 s1 = 0.72 s2 = 0.01 What are the correct hypotheses? (Select the correct symbols and use decimal values not percentages.)H0: Select an answer x̄₂ x̄₁ μ(red) p₂ p μ₁ μ₂ σ₁ s₁² σ(red) p₁ μ p̂₁ ? ≠ < > ≤ ≥ = Select an answer μ₁ μ₂ p₁ μ(blue) p σ₂ p₂ σ(blue) s₁² x̄₁ x̄₂ μ p̂₁ H1: Select an answer μ σ₁ x̄₁ μ(red) p̂₂ p₁ s₂² p₂ μ₂ μ₁ σ(red) x̄₂ p ? ≤ ≥ ≠ > = < Select an answer μ(blue) σ(blue) p μ μ₁ p₁ x̄₂ s₁² x̄₁ σ₂ p̂₁ p₂ μ₂…A 0.05 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion of baby girls is greater than 0.5. Assume that sample data consists of 78 girls in 144 births, so the sample statistic of 1324 results in a z score that is 1 standard deviation above 0. Complete parts (a) through (h) below.Click here to view page 1 of the Normal table. LOADING... Click here to view page 2 of the Normal table. LOADING...Question content area bottomPart 1a. Identify the null hypothesis and the alternative hypothesis. Choose the correct answer below.Part 4d. Is the test two-tailed, left-tailed, or right-tailed? Left-tailed Right-tailed Two-tailedPart 5e. What is the value of the test statistic?The test statistic is enter your response here. (Type an integer or a decimal.)Part 6f. What is the P-value?The P-value is enter your response here. (Round to four decimal places as needed.)