Question

Danny was conducting the following hypothesis test where μ = true mean age (years) of Eminem fans: H0: μ = 12 vs. Ha: μ ≠ 12. With a p-value = 0.0245, at the 1% level of significance, which is the correct decision?

Group of answer choices

Insufficient evidence to decide.

Reject the null hypothesis.

Fail to reject the null hypothesis.

Answer 1

solution:

this is the two tailed test .  

The null and alternative hypothesis is ,

H0 :   = 12

Ha :     12

P-value = 0.0245

= 0.01 =1%

P-value >

fail to Reject the null hypothesis .

There is sufficient evidence to suggest that