A research center claims that at least 45% of adults in a certain country think the government is not aggressive enough in pursuing people who cheat on their taxes. In a random sample of 700 adults from thatcountry, 39% say that the government is not aggressive enough in pursuing people who cheat on their taxes. At =0.01, is there enough evidence to reject thecenter's claim? parts(a) through(e) below.

What is theclaim?

A.

At least 45% of adults in the country think the government is not aggressive enough in pursuing people who cheat on their taxes.

B.

Exactly 39% of adults in the country think the government is not aggressive enough in pursuing people who cheat on their taxes.

C.

Exactly 39% of all adults think the government is not aggressive enough in pursuing people who cheat on their taxes.

D.

At least 45% of all adults think the government is not aggressive enough in pursuing people who cheat on their taxes.

Identify H0 and Ha.

H0: p

nothing

Ha: p

less than

<

greater than

>

less than or equals

greater than or equals

not equals

nothing

(Type integers ordecimals.)

(b) Find the criticalvalue(s) and identify the rejectionregion(s).

The criticalvalue(s) is/are z0=

nothing

.

(Round to two decimal places as needed. Use a comma to separate answers asneeded.)

Whatis/are the rejectionregion(s)? Select the correct choice below and fill in the answerbox(es) to

(Round to two decimal places asneeded.)

A.

z<

nothing

B.

z>

nothing

C.

C.

z<

nothing

and z>

nothing

(c) Find the standardized test statistic z.

z=

nothing

(Round to two decimal places asneeded.)

(d) Decide whether to reject or fail to reject the null hypothesis and(e) interpret the decision in the context of the original claim.

Reject

Fail to reject

H0. There

is not

is

enough evidence at the 1% level of significance to

reject

support

thecenter's claim that

exactly 39%

at least 45%

of

adults in the country

all adults

think the government is not aggressive enough in pursuing people who cheat on their taxes.

Click to select your answer(s).