A mother who is interested in the true proportion of R-rated ...

[stevenposner]

A mother who is interested in the true proportion of R-rated movies shown on pay TV by a cable system randomly selects 98 listings and finds 14 of them are R-rated movies. In her report to the subcommittee she wants to be 98 confident that the true proportion will be in an interval which she states. She has asked you to assist her by preparing a 98 confidence interval based on the data she collected. What should she report? ___________________ _ to ___________________ _
 Fill in the blank(s) with correct word

Question 2

Raising in-state and out-of-state tuition is supposed to reduce the number of students in state supported universities. The registrar of a university wants to estimate the proportion, , of students who are paying out-of-state tuition on the installment plan (to later be compared with in-state installment plan payers). A random sample of 80 students who live out-of-state is taken and 50 of them pay tuition on the installment plan. Find a 99-percent confidence interval for  based on these data. ___________________ _ to ___________________ _
 Fill in the blank(s) with correct word

[yahahah24021]

Answer to Question 1

0.06; 0.22

Answer to Question 2

0.486; 0.764

[stevenposner]

Gracias!

[ttt030911]

Excellent