From XXXXXXXXXXthe 5 year remission rate of Breast cancer was 91%. Suppose we wish to know if that percentage has changed in 2020. We take a random sample of 360 breast cancer survivors from...

From 2012-2017 the 5 year remission rate of Breast cancer was 91%. Suppose we wish to know if that percentage has changed in 2020. We take a random sample of 360 breast cancer survivors from 2015-2020 and find out that 315 have remained in remission since. Use a significance level of α = .05.

(a) State the null and alternate hypothesis

(b) Can we continue with testing the hypothesis? Why or why not?

(c) If possible, proceed with the hypothesis test and reach a conclusion.