Question

A SRS of 42 students are polled and asked if their average speed exceeded the speed limit on 19th avenue. From the sample 30 admit to exceeding the speed limit. Using alpha α=0.05α=0.05, test the claim that the proportion of students who admitted to exceeding the speed limit is less than 75%.

In space provided, using a standard keyboard (no special symbols needed), to do the following.


(a) Write the null and alternative hypothesis.
(b) Check conditions.
(c) Show the work or state the calculator inputs to find the p-value. State the p-value.
(d) Make a decision about the test.
(e) State the conclusion in words (full sentence(s)). Do not use symbols.

Answer 1