a​ one-tail hypothesis test where you reject H0 only in the lower ​tail, it was found that the p-value is 0.1469 if ZSTAT=−1.05. What is your statistical decision if you test the null hypothesis at the 0.05 level of​ significance?

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A: It is given that  Population mean, μ = 60000 Sample mean, x̄ = 65000 Standard error, SE = 130

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Q: What is the P VALUE? H(0) P= .68 H(A) P> .68 Sample size of 46.  63 People were surveyed. 48…

A: Answer is in steps given below. Thanks!

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Q: In a clinical trial, 17 out of 873 patients taking a prescription drug daily complained of flulike…

A: The hypothesized proportion is 0.017.

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Q: Your medical research team is investigating the mean cost of a 30-day supply of a certain heart…

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Q: A null hypothesis is rejected at the 6% level. Answer ”True”, ”False”, or ”Cannot be determined” for…

A: If P- Value is less than level of significance , then null hypothesis is rejected....... (1) If null…

Q: Would you favor spending more federal tax money on the arts? Of a random sample of n1 = 225 women,…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: P2 > P2 4.1% successes in a sam

A: Here we are going to use Z test for two proportion.  The test to evaluate if the two populations…

Q: The accompanying table summarizes successes and failures when subjects used different methods when…

A: The p-value is 0.009.

Q: Splash Mean Cosmetics Company claims that the number of clients served in their department has…

A: Step 1: Claim: The average number of clients served in their department has increased. Step 2: Null…

Q: Your medical research team is investigating the mean cost of a 30-day supply of a certain heart…

A: The random variable X is the cost of a 30-day supply of a certain heart medication The population…

Q: Use the calculator displays to the right to make a decision to reject or fail to reject the null…

A: From the given data: P-value=0.00918   level of significance=0.01

Q: What is the correct set of conclusions that goes with this APA sentence?

A:

Q: A Shapiro-Wilk 0.05. Which of the following is best? statements O O result had a p-value of O There…

A: Shapiro-Wilk test is used to test the normality of sample.  The null hypothesis in this test is that…

Q: There are hundreds of studies that demonstrate the effects of priming on human behavior. In one…

A: There are two independent samples which are work place and coffee shop. We have to test whether…

Q: You are conducting a study to see is the probability of catching the flu this year is significantly…

A: State the hypotheses.

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A:

Q: Use the random sample data to test the claim that the mean time spent online per day by community…

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Q: Suppose are running a study/poll about the proportion of men over 50 who regularly have their…

A: we have given that  sample size n=83  ,favorable cases x=76 ,population proportion=0.96

Q: Can you help me find the p-value for this problem

A: Step 1: Given informationNull Hypothesis: H0​:p=0.78Alternative Hypothesis: H1​:p<0.78Number of…

Q: The chi-square statistic for this table is 3.95. Are you able to reject the null hypothesis? Why or…

A: We have given observed value of chi square for a contingency table and we have to decide that if we…

Q: Amount of reading Above average Average Below average Total Glasses? Yes No 47 26 48 31 126 78 70…

A: The total number of observations is .The observed frequency is shown below:GlassesAmount of…

Q: n a study of the accuracy of fast food​ drive-through orders, one restaurant had 36 orders that were…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks The following…

Q: A data set includes weights (in grams) of 32 Reese's Peanut Butter Cup Miniatures. The accompanying…

A: Sample size n =32 Population mean =8.953

Q: Test the alternative hypothesis that the average overdose death rate (across the 50 states) is…

A: We are asked to test the alternative hypothesis that the average overdose death rate in  is greater…

Q: You are conducting a study to see if the proportion of voters who prefer Candidate A is…

A:

Q: You are conducting a study to see if the probability of catching the flu this year is significantly…

A: The claim is that the probability of catching the flu this year is significantly different from 0.86…

Q: Students in a high school statistics class are investigating the proportion of times a Hershey's…

A: We have to find correct conclusion from available options.

Q: A hypothesis test performed by a student has a Z value of 1.63. Is this test statistically…

A: Solution-: Given: ZStat=1.63, α=0.05 Is this test statistically significant at a 5% level?

Q: A developmental psychologist believes that children’s self-esteem scores change with age. She…

A: Assume, μd be the true mean difference between the children's self-esteem score in 6th grade and in…

Q: In the exercises below, we have given the value obtained for the test statistic z in a one-mean z…

A:

Q: A college claims that the proportion, p, of students who commute more than fifteen miles to school…

A: The hypothesized percentage of students, who commute more than fifteen miles, p0=20% (or 0.20).The…

Q: A random sample of students attending a large university has been selected. Is there a statistically…

A: Let μ1 denotes the population mean number of books read per year from liberal arts majors, and μ2…

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 36 orders that were…

A: From the provided information, Sample size (n) = 346 From which 36 orders were not accurate. Sample…

Q: A recent study at a local college claimed that the porportion, p, of students  who commute more than…

A: Denote p as the true proportion of the students  who commute more than 15 miles to school. The null…

Q: Would you favor spending more federal tax money on the arts? Of a random sample of n1 = 217 women,…

A: Given: random sample of n1 = 217 women, r1 = 52 Another random sample of n2 = 175 men , r2 = 48…

Q: Would you favor spending more federal tax money on the arts? Of a random sample of n1 = 232 women,…

A: As per guideline we answer the first thrwe subparts only. Solution. The research wants to test…

Q: you did not answer this  Let p be the true proportion of firms with a chief marketing officer…

A: We have given thatp0 = 56% = 0.56n = 53x = 28p̂ = x/n = 28/53 = 0.5283Significance level (α) = 0.01

Q: na previous year, 58% of females aged 15 and older lived alone. A sociologist tests whether this…

A: Solution: Given information: n= 350 Sample size of females  x= 210 females are living alone…

Q: i need to know how to solve this

A: The provided information are:

Q: The test statistic of z=2.40 is obtained when testing the claim that p>0.7. Identify the…

A: Given:The test statistic of z=2.40Testing the claim that p>0.7.significance level of α=0.10