(Solved by Humans)-A study finds that 85% of teachers use the internet to teach.

Question

A study finds that 85% of teachers use the internet to teach. Aresearcher claims that the percentage has recently increased. Shecollects a random sample of 340 teachers and finds that 302 of theteachers used the Internet to teach.

A. What is the population proportion (p) and the sample proportion(^p) for this set of data?

*0.89, 0.85

*0.85, 0.89

*0.85, 0.85

*0.89, 1.12

B. What is the magnitude of the critical value for a one-tailedtest of proportion with significance 0.10?

*2.33

*1.75

*1.64

*1.28

C. What is the value of the test statistic to test if thepopulation proportion is 0.85 at significance 0.10.

*-1.75

*1.55

*2.06

*2.47

D. What decision would be made for a one-tailed test that thepopulation proportion is 0.85 at significance 0.10?

*Do not reject the null.

*Reject the null.

*Sometimes reject the null.