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[answered] A study is done to evaluate the readability of a pamphlet t


A study is done to evaluate the readability of a pamphlet that is being developed as part of an addictions awareness campaign. The readability of the pamphlet will be considered acceptable if people over the age of ten are able to comprehend 80% of its content, on average.? After reading the pamphlet, a representative group of study participants complete a test scored out of 100 to assess their comprehension of the information in the pamphlet.? Based on the test scores (), a p-value of 0.13 is computed for the test of?H0:???= 80 versus Ha:???? 80. ? ?Use this information to answer Parts?a-f?of this question. Assume all the necessary conditions are satisfied and the calculations were all done correctly.

a. ?The following interpretation of this P-value is INCORRECT:?There is a 0.13 probability that the true mean score on a comprehension test completed by people over ten years of age after they read the pamphlet is 80.Explain why this interpretation is incorrect.

?b.??What is the correct interpretation of this P-value?

?c. ?Write a conclusion for this hypothesis test in the context of the study.


YES OR NO? Will a 85% confidence interval for???contain 80 based on these data?

YES OR NO? Will a 90% confidence interval for???contain 80 based on these data?

YES OR NO? Will a 95% confidence interval for???contain 80 based on these data?

 


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