Test the claim about the populationmean, , at the given level of significance using the given sample statistics.

Claim: =50; =0.04; =3.82. Samplestatistics: x=49.8, n=69

Identify the null and alternative hypotheses. Choose the correct answer below.

A.

H0: 50

Ha: =50

B.

H0: =50

Ha: 50

C.

H0: =50

Ha: <50

D.

H0: >50

Ha: =50

E.

H0: <50

Ha: =50

F.

H0: =50

Ha: >50

Calculate the standardized test statistic.

The standardized test statistic is

nothing

.

(Round to two decimal places asneeded.)

Determine the criticalvalue(s). Select the correct choice below and fill in the answer box to complete your choice.

(Round to two decimal places asneeded.)

A.

The critical values are

nothing

.

B.

The critical value is

nothing

.

Determine the outcome and conclusion of the test. Choose the correct answer below.

A.

Reject H0. At the 4% significancelevel, there is enough evidence to support the claim.

B.

Reject H0. At the 4% significancelevel, there is enough evidence to reject the claim.

C.

Failtoreject H0. At the 4% significancelevel, there isnot enough evidence to support the claim.

D.

Failtoreject H0. At the 4% significancelevel, there isnot enough evidence to reject the claim.