Use a t-test to test the claim about the population mean u at the given level of significance a using the given sample statistics. Assume the population is normally distributed. Claim: u 2 8000; a = 0.10 Sample statistics: x = 7800, s = 460, n= 20 What are the null and alternative hypotheses?

What is the value of the standardized test statistic? The standardized test statistic is

What is the P-value?

Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below.

A.

Failtoreject

H0.

At the

10%

level of significance, there

is

enough evidence to reject the claim.

B.

Reject

H0.

At the

10%

level of significance, there

is

enough evidence to reject the claim.

C.

Failtoreject

H0.

At the

10%

level of significance, there

isnot

enough evidence to reject the claim.

D.

Reject

H0.

At the

10%

level of significance, there

isnot

enough evidence to reject the claim.