The library board of directors believes that at most half of alllibrary customers borrow ebooks, and are not willing to increase funds for ebookborrowing. A random sample of 150 customers shows that 80 of them borrowedebooks. At a 5% level of significance, perform the hypothesis test.

Q: It is estimated that 3% of adults age 18 to 29 who have high blood pressure. You wish to test this…

A: We assign Null Hypothesis (H0) and Alternative Hypothesis (H1) The test statistic,…

Q: One study claimed that 86 % of college students identify themselves as procrastinators. A professor…

A: The question is about hypo. testingGiven :Popl. prop. of college stud. identify themselves as…

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.