In a 2013 poll, it was found that 0.78 of Americans cover their mouth when sneezing. A sociologist claimsthat this proportion has decreased since then. She wishes to test the following claim (H1) at a significancelevel of a=0.10.Ho p=0.78H₁: p

Question

In a 2013 poll, it was found that 0.78 of Americans cover their mouth when sneezing. A sociologist claimsthat this proportion has decreased since then. She wishes to test the following claim (H1) at a significancelevel of a=0.10.Ho p=0.78H₁: p<0.78She obtains a random sample of 21 Americans and finds that 13 cover their mouth when sneezing.The p-value for this test is the probability of observing...O at most 13 Americans cover their mouth when sneezing.O at least 13 Americans cover their mouth when sneezing.What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value=The p-value is...O less than (or equal to) agreater than aThis test statistic leads to a decision to...O reject the nullO accept the nullO fail to reject the nullоescW4925%eSPว As such, the final conclusion is that...O There is sufficient evidence to warrant rejection of the claim that the population proportion ofAmericans who cover their mouth when sneezing is less than 0.78.O There is not sufficient evidence to warrant rejection of the claim that the population proportion ofAmericans who cover their mouth when sneezing is less than 0.78.O The sample data support the claim that the population proportion of Americans who cover theirmouth when sneezing is less than 0.78.O There is not sufficient sample evidence to support the claim that the population proportion ofAmericans who cover their mouth when sneezing is less than 0.78.Submit Questionоesc2#3M6425

Accepted Answer

The question is about hypothesis testing.Given :Population proportion of people from country "A"…