(Solved): Homework 1 Use at least four decimal places in your calculations. Two decimal places will be fine fo ...

Homework 1 Use at least four decimal places in your calculations. Two decimal places will be fine for

scores. You can (a) submit a scanned version of your answers (there are free scanner apps which you can use for this) or (b) take good quality pictures of your work and submit those so I can easily read and grade. The submission folder is Homework 1 on D2L-Assessments-Assignments. If you make multiple submissions, I will grade the latest one, unless told otherwise. Please do not send your work by email. The Bureau of Census reported in 2022 that the average number of athletes in U.S. Colleges is 500 . From a sample of 64 PA colleges, it is found that the sample mean of the number of athletes

is 520 in 2024. The population standard deviation is 80 . a. Write the null and the alternative hypotheses to determine whether the true average number of athletes has increased since 2022. b. What are the

-score and the

-value for this test? c. Using the p-value approach, explain whether you have enough conclude that the average number of athletes increased.