Final Conclusions. In Exercises 25–28, use a significance level of α = 0.05 and use the given information for the following:  a. State a conclusion about the null hypothesis. (Reject H0 or fail to reject h0). b. Without using technical terms or symbols, state a final conclusion that addresses the original claim. Original claim: Fewer than 90% of adults have a cell phone. The hypothesis test results in a p-value of 0.0003.

Q: The janitor calculates a p-value for the hypothesis test of approximately 0.113. Choose the correct…

A: here given p-value = 0.113 and significance level = 0.01 p-value is probability of getting extreme…

Q: Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b)…

A: As per the given information, the original claim is " Less than 45% of adults would erase all of…

Q: Test the claim that the proportion of people who own cats is significantly different than 30% at the…

A:

Q: A claim is given. Select the corresponding null hypothesis and using a significance level of α =…

A: It is given that, the claim is the majority of Americans make their beds each morning.

Q: Test the claim that the mean GPA of night students is smaller than 2 at the .005 significance level.…

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Q: Test the claim that the mean GPA of night students is smaller than 3.2 at the 0.10 significance…

A: From the provided information, Sample size (n) = 40 Sample mean (x̅) = 3.18 Sample standard…

Q: Test the claim that the proportion of people who own cats is larger than 20% at the 0.05…

A: Claim : Proportion of people who own cats is larger than 20% = 0.2 Sample size is n = 300 Sample…

Q: Test the claim that the proportion of people who own cats is smaller than 20% at the 0.005…

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Q: Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b)…

A: p=51%, p value=0.1687, level of significance ɑ=0.05

Q: Use a significance level of a=0.05 to test the claim that u= 20,0. The sample data consists of 10…

A: Given: n= 10.0 ,x̄= 20.5 ,s= 4.5 µ= 20.0 ,significance level(∝)= 0.05 ,degree of freedom= 9.0

Q: Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b)…

A: Decision rule: If P-value is less than or equal to significance level, reject the null hypothesis.…

Q: In testing hypotheses, if the consequences of failing to reject a null hypothesis that is actually…

A: Here, if the consequences of failing to reject a null hypothesis that is actually false are very…

Q: Test the claim that the proportion of people who own cats is smaller than 90% at the 0.025…

A: Solution: The given claim is that the proportion of people who own cats is smaller than 90%.

Q: State your decision to the significance test in terms of the null hypothesis. Consumer data reports…

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Q: The p-value of a hypothesis test is"   a. the smallest significance level at which the null…

A: If p value <= alpha we reject Ho. If p value > alpha we fail to reject Ho.

Q: Test the claim that the proportion of people who own cats is larger than 50% at the 0.05…

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Q: Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b)…

A: Given: α=0.05P-value=0.0452Claim: p<0.47

Q: Question content area top Part 1 For the α and observed significance level​ (p-value) pair,…

A: The objective of this question is to determine whether the null hypothesis should be rejected or not…

Q: The P-value for a hypothesis test is 0.068. For each of the following significance levels, decide…

A: Given: P value=0.068 If the p-value is less than or equal to the significance level (a), we can…

Q: Assume a significance level of α=0.05 and use the given information to complete parts​ (a) and​ (b)…

A: From the provided information, Level of significance (α) = 0.05 The hypotheses can be constructed…

Q: A researcher is designing an experiment.  Ultimately, she is hoping to reject her null hypothesis…

A: From the provided information, The researcher is hoping to reject her null hypothesis (i.e. show…

Q: Assume a significance level of a=0.05 and use the given information to complete parts (a) and (b)…

A: a. In hypothesis testing we reject the null hypothesis if p-value < level of significance Here ,…

Q: State your decision to the significance test in terms of the null hypothesis.According to a recent…

A: The given test claims that the percentage of people in New York who would vote for the incumbent…

Q: Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b)…

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

A: It is given that Level of significance = 0.05 P-value = 0.0232

Q: Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b)…

A:

Q: Test the claim that the mean GPA of night students is significantly different than 2 at the 0.05…

A:

Q: A hypothesis test is being planned with the following hypotheses:H0: Vaping during pregnancy does…

A: The objective of the question is to understand the concept of Type I and Type II errors in the…

Q: Test the claim that the proportion of people who own cats is larger than 30% at the 0.05…

A: Sample size = n =200 Sample proportion = p̂ =  0.32

Q: Test the claim that the proportion of people who own cats is larger than 60% at the 0.05…

A: We have given that p = 60% = 0.60 n = 700 p̂ = 61% = 0.61

Q: Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b)…

A: Given that, Original claim:  More than 54% of adults would erase all of their personal information…

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: Test the claim that the mean GPA of night students is significantly different than 2.1 at the 0.01…

A:

Q: Test the claim that the proportion of men who own cats is smaller than the proportion of women who…

A: Given : The hypothesis of the proportion of men owns a cat is less than the proportion of women who…

Q: Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b)…

A:

Q: est the claim that the proportion of people who own cats is significantly different than 20% at the…

A:

Q: Assume a significance level of a = 0.05 and Original claim: More than 46% of adults would erase all…

A: Original claim: More than 46% of adults would erase all of their personal information online if they…

Q: the correct way to report the results of a hypothesis test and a measure of effect size using a…

A: Hypothesis Testing : The hypothesis is an assertion regarding the unknown population parameter. A…

Q: adults whether they believed that people should pay sales tax on items purchased over the internet.…

A: Let n denote the number of U.S. adults whether they believed that people should pay sales tax on…

Q: A medical equipment manufacturer believes that the proportion of faulty blood pressure monitors is…

A: The null and alternative hypothesis are H0: p = 0.11 H1: p < 0.11  p-value = 0.01

Q: Final Conclusions. In Exercises 25–28, use a significance level of α = 0.05 and use the given…

A: a)Here, the test claims that most adults would erase all of their personal information online.The…

Q: The P-value is (Round to four decimal places as needed.) Determine whether the alternative…

A: here given ,  z=3.5    for Ho: μ=124.5 kilograms and H1 : µ ≠124.5 kilograms

Q: Test the claim that the proportion of men who own cats is smaller than 90% at the 0.01 significance…

A: Given Test the claim that the proportion of men who own cats is smaller than 90% at the 0.01…

Q: Test the claim that the proportion of people who own cats is smaller than 60% at the 0.025…

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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.