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Every semester, I would like for more than 75% of my students to score a 70...

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Statistics

Every semester, I would like for more than 75%of my students to score a 70 or higher on the first test. Thissemester, out of the 72 students who took the first test, 59 got atleast a C (scored higher a 70 or higher). Is there sufficientevidence to conclude, at the 10% significance level, thatmore than 75% of the students got at least a C onthe first exam? Find the p-value.

Identify the null and alternative hypotheses, test statistic,critical value(s) and critical region or p-value, as indicated, andstate the final conclusion that addresses the problem. Showall seven steps.

Answer & Explanation Solved by verified expert
4.0 Ratings (581 Votes)
SolutionA claim in this question is that more than 75 of the students gotat least a C on the first examSo we can write null and alternative hypothesis can be writtenasNull hypothesis H0 p 075Alternative hypothesis Ha    See Answer
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