Test the hypothesis using theP-value approach. Be sure to verify the requirements of the test.

H0:p=0.85versusH1:p0.85

n=500,x=420,=0.01

Is np01p010? Select the correct choice below and fill in the answer box to complete choice.

( Do notround.)

A.

No, because np01p0=_

B.

Yes, because np01p0=_

.

Now find

p.

p=_

(Do notround.)

Find the test statistic z0.

z0=_

(Round to two decimal places asneeded.)

Find theP-value.

P-value=_

(Round to three decimal places asneeded.)State the conclusion of the hypothesis test.

Reject the null hypothesis,

Do not reject the null hypothesis,

because theP-value is

greater

less

than .