Probability distributions

This assignment is divided into four (4) sections. In section A, please select two of the available 3 problems to answer. In section B, question 4 is required, but you may choose between question 5 and 6. In section C, you may select either questions 7 or 8. Question 9 in part D is required.

Correction: Question #5 should read as
“Assume 20 people take the drug. Determine the range of people in which the likelihood of finding that number of people who felt relief is 75%. (i.e. in every group of 20 people, there is a 75% chance of finding ___ to ___ people who feel relief).”