If you reject the null hypothesis ar the 5% significance level would you reject the null hypothesis at the 3% significance level?   Group of answer choices yes no not enough information to determine.

Q: You are a research assistant at a zoo.  The question of your study is "Has the proportion of baby…

A: Solution

Q: Now, instead, assume you’ve bought all the buses from a single dealership that maintains that these…

A: A two tail test is used when we want to find significance of mean greater than x and mean less than…

Q: Random samples of 50 women and 50 men are taken at Norwich University. They are asked their reaction…

A: Sample sizes n1=50 ,n2=50Favorable cases x1=23 ,n2=19

Q: Researchers collected data on the numbers of hospital admissions resulting from motor vehicle…

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Q: Candidate T wants to determine if there is a difference in his popularity between men and women.  To…

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Q: Results from a civil servant exam are shown in the table to the right. Is there sufficient evidence…

A: The Hypothesis: Option A H0: White and Minority candidates have the same chance of passing the test.…

Q: A random sample of 855 births included 431 boys. Use a 0.05 significance level to test the claim…

A: State the hypotheses. That is, the proportion of new born babies are boys equals 0.515. That is,…

Q: Salaries of Government Employees The mean salary of federal government employees on the General…

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Q: cest using the 0.05 significance level. What should the researcher conclude? Multiple Choice Reject…

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Q: You are a research assistant at a zoo.  The question of your study is "Has the proportion of baby…

A: The obtained z-score is 1.89.

Q: Pierre is a chef. He claims that 90% of his customers are satisfied  with his cooking. Yvette…

A: Given, Population proportion=90%=0.9 n=15 x=no of customers which are satisfied=11

Q: Using the p-value method, we reject the null hypothesis if the p-value is ___________than or equal…

A: NOTE When p-value≤α=level of significance, then we reject the null hypothesis. When…

Q: he 5% significance level. (Hint: think about or draw out what it means to reject the null hypothesis…

A: Solution:  The decision rule of rejecting the null hypothesis using p value method is.  Reject the…

Q: Candidate T wants to determine if there is a difference in his popularity between men and women. To…

A: This is two sample proportion test. and also two tailed test.

Q: You are a research assistant at a zoo. The question of your study is "Has the proportion of baby…

A: You are a research assistant at a zoo.  The question of your study is "Has the proportion of…

Q: A recent year was randomly picked from 1985 to the present. In that year, there were 2.051 Hispanic…

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Q: Students claim that their teacher has been grading them more harshly than she has in the past.…

A: The random variable grade follows normal distribution. We have to test whether the students proven…

Q: reject the null hypothesis in favor of an alternative hypothesis at the 5% level of significance.…

A: It is known that if the p-value is less than the level of significance, the null hypothesis gets…

Q: When a sign test is applied to some data it is found that there are 20 values lying below the…

A: Number of positive signs(x+)=5Number of positive signs(x-)=20Number of ties=0Total number of…

Q: If you reject the null hypothesis at the 5% significance level, would you reject it at the 7% level?

A: It is given that we reject the null hypothesis at 5% significance level.

Q: If you perform a left-tail test, the p-value is less than the significance level. If you perform a…

A: Given values are population standard deviation  is knownstandardized z test statistic = -2.65 Level…

Q: Please show your complete solution. Thank you! Please use Excel if possible. Problem:  A sample…

A: From the provided information, it is obtained that: The sample size, n=800. The no. of defective…

Q: describe the steps in the process of statistical hypothesis testing.  When stating the conclusion,…

A: The steps for testing the hypothesis are First we need to set the null and alternative hypothesis…

Q: Report a Chi-Square test of Independence and use a 5% significance level. Explain the potential…

A: Hypotheses: The two categories of interest are the “Treatment received” and “Recidivism rate”. The…

Q: Tennis Challenges The table below shows results since 2006 of challenged referee calls in the U.S.…

A: According to the given question Observed frequency:   Was the challenge to the call…

Q: You are a research assistant at a zoo.  The question of your study is "Has the proportion of baby…

A: Given: The Z - score is equal to 0.788 α = 0.05   The objective is to validate the asserted claim…

Q: The school's newspaper reported that the proportion of students majoring in business is more than…

A: According to the given information in this question We need to identify the correct option

Q: Please help find the test statistic, the p-value of the test, if we reject the null, and if there is…

A: Solution: State the hypotheses Null hypothesis: That is, the rate of inaccurate orders is equal to…

Q: Acme Toy Company prints baseball cards. The company claims that 30% of the cards are rookies, 60%…

A: Null hypothesis:  H0: The three proportions are same. Alternative hypothesis:  Ha: At least two…

Q: Explain the difference between a one-tailed and two-tailed significance test. When is it appropriate…

A: A significance hypothesis test is a very important part in statistics.

Q: You want to study whether music affects people’s ability to learn. You have 10 college students…

A: Test is that whether people's ability to learn ks effected by music.

Q: How do you determine whether or not the paired t test is appropriate for a two-sample hypothesis

A: A paired t test is applied when the two samples have an equal size. A paired t test is used when we…

Q: The Institute of Education Sciences measures the high school dropout rate as the percentage of age…

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Q: The ages of undergraduate students at two universities (one in the east and one in the west) are…

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