Question

The confident interval is 0.25 < p < 0.45. The claimed value is p = 0.50 What is the decision? Select one:

a. Retain the null hypothesis

b. Support the null hypothesis

c. Reject the null hypothesis

d. Support the alternative hypothesis

Answer 1

Since the value $p=0.50$ does not fall within the  confidence interval $0.25 < p < 0.45,$

then we

c. Reject the null hypothesis