You wish to test the following claim (HaHa) at a significance level of α=0.002α=0.002.       Ho:p1=p2Ho:p1=p2       Ha:p1>p2Ha:p1>p2 You obtain 165 successes in a sample of size n1=656n1=656 from the first population. You obtain 122 successes in a sample of size n2=588n2=588 from the second population. For this test, you should NOT use the continuity correction, and you should use the normal distribution as an approximation for the binomial distribution. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic =  What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value =

Q: 5. 19 young pigs are assigned at random among 3 experimental groups. Each group is fed a different…

A: Given that Total number of pigs =19 Number of groups =3  We have to find a...Null and Alternative…

Q: Your research group has been hired to study student satisfaction with the dining halls at Illinois…

A: Given thatfemale p1=0.95, n1=150male p2= 0.55, n2=250z=[(p1-p2)]/[(pq ×(1/n1 +1/n2)]^(1/2)

Q: Assume a significance level of alpha equals 0.01   and use the given information to complete parts​…

A: Assume a significance level of alpha equals 0.01   and use the given information to complete parts​…

Q: (a) Suppose you want to test Ho: μ = 7 versus H₁₂: μ = 7 using a = 0.05. What conclusion would be…

A: The sample size is n =12The 95% confidence interval for the true average amount of warpage (mm) of…

Q: In a hypothesis test with hypotheses Ho : µ = 90 and H1 : µ # 90, a random sample of 103 elements…

A: According to the given information, we have Mean = 94.3 Standard deviation = 22.1 Sample size = 103

Q: Test the following hypotheses with the data given. Let a = .1O. Ho:H1-H2 = 0 Ha: H1- H2#0 Sample 1…

A: It is given that for sample 1 x¯1=138.7,σ1=6.81,n1=48, and for sample 2 x¯2=142.1,σ2=8.62,n2=39.

Q: A chi-square test for homogeneity is conducted on four populations and one categorical variable that…

A: Step 1:To determine the p-value for the chi-square test, we would compare the calculated chi-square…

Q: 1.900 22 1.900 20 7. True or False? Assume a researcher recruits 150 African American and Caucasian…

A: We have given that the data information of 150 African Americans and Caucasians individuals.

Q: You wish to test the following claim (Ha) at a significance level of a = 0.05. H.:p1 – P2 = 0 Ha:p1…

A: Given:

Q: What is the test statistic for this sample? (Report answer accurate to three decimal places.) test…

A: The pooled estimate is, p¯=x1+x2n1+n2=278+687319+749=9651068=0.9036 The sample proportion for first…

Q: LAUSE SALT e test statistic and determine the P-value. (Round your test statistic to one decimal…

A:

Q: The following sample of six measurements was randomly selected from a normally distributed…

A:

Q: For the hypothesis test Ho: μ = 5 against H₁:μ< 5 with variance unknown and n = 11, find the best…

A: Given n=11 Critical t value 2.086

Q: a. State a conclusion about the null hypothesis. (Reject Ho or fail to reject Ho.) Choose the…

A: Original claim: The mean pulse rate is 71 bpmLevel of signicance=α=0.10 , P value=0.0625

Q: Suppose you want to test the claim that u, # 2. Two samples are randomly selected from each populat…

A: The appropriate test statistic is the z test for two means since the population standard deviation…

Q: A sample of n=24 is selected from a population = 120 and σ = 40.  If the sample mean is 130, what is…

A: It is given that the population mean, μ=120 and standard deviation, σ=40. For the sample size of 24,…

Q: 12. Researchers at VCU studied fatal auto accidents between cars in which one has an air bag and the…

A: The population proportion by the sample proportion is calculated using the formula where is the…

Q: 6.3.4. Suppose Ho: p = 0.45 is to be tested against H₁: p > 0.45 at the α = 0.14 level of…

A: To determine the smallest number of successes that will cause H0 to be rejected, we need to find the…

Q: Paint used to paint lines on roads must reflect enough light to be clearly visible at night. Let μ…

A: Suppose  is the true population mean reflectometer reading for a new type of paint.The sample size…

Q: Provide an appropriate response. Suppose you want to test the claim that u > 25.6. Given a sample…

A: From the provided information, Sample size (n) = 43 Level of significance (α) = 0.01 The claim is…

Q: Suppose you ask the same question of four times as many people, but the proportions remain the same.…

A: Hi! Thankyou for the question. As per our honor code can answer only three sub parts per question.…

Q: You wish to test the following claim (HaHa) at a significance level of α=0.002α=0.002.…

A:

Q: In 1945​,an organization asked 1502 randomly sampled American​ citizens, "Do you think we can…

A: It is given that an organization conducts a survey on 1502 randomly selected American citizens about…

Q: experiment, some subjects from each group had dropped out and the following data were obtained:…

A:

Q: A random sample (n=16) is obtained from a population with a mean of 70, and a treatment is…

A: We have given that  A random sample (n=16) is obtained from a population with a mean of 70, and a…

Q: You wish to test the following claim at a significance level of α=0.001α=0.001.…

A: Solution: State the hypotheses. Null hypothesis: H0: p=0.79 That is, the population proportion is…

Q: A researcher who wants to know whether the proportion of male births in a hospital is different from…

A: a) The alternative hypothesis is H0:p≠0.51.

Q: ) What are the degrees of freedom for this test? B) What is the t-statistic for this test? C) What…

A:

Q: You wish to test the following claim (HaHa) at a significance level of α=0.001 α=0.001.…

A: It is given that, the sample sizes are 409 and 616.

Q: The average annual miles driven per vehicle in the United States is 11.1 thousand miles, with σ ≈…

A:

Q: A test of the hypotheses Ho: u = 15 versus H.; p> 15 conducted using a sample of size 7. The test…

A: Given that  H0:μ=15  Vs  H1:μ&gt;15 Sample size=7 , Test statistics=t=1.935

Q: We found that with the new learning method students generated 4.3 ideas in average (SD=1.67) when…

A:

Q: 18. A test of the hypotheses Ho: =0 vs. H.: p>0 was conducted using a sample size of 7. The test…

A: Null and the alternative hypothesis: The value of test statistic is, t = 1.935. Degree of freedom:

Q: Suppose ₁ and ₂ are true mean stopping distances at 50 mph for cars of a certain type equipped with…

A: Given m=8 n=8

Q: a>75, z = 1.63, a = 0.08 H*75, z= -1.63, a = 0.01 hoose the correct answer below. There is…

A: (a)The test statistic (z) =-1.63Significance level,α =0.04The null and alternative hypothesisHo : µ…

Q: You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.…

A: Given that,n=724,x=206 The null and alternative hypothesis is, Ho:p=0.33Ha:p&lt;0.33 The type of…

Q: You wish to test the following claim (HaHa) at a significance level of α=0.005α=0.005.…

A: Given n1=460 n2=588

Q: I am needing help with how to answer this in R. 1. A [national…

A: The given data is as follows:Probability that middle and high school teachers believe the students…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.