Onestudy, based on responses from 1 comma 017

1,017 randomly selectedteenagers, concluded that 43

43% of teenagers cite grades as their greatest source of pressure. Use a 0.05 significance level to test the claim that fewer than half of all teenagers in the population feel that grades are their greatest source of pressure.

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

A.

Upper H 0

H0: pequals

=0.5

Upper H Subscript a

Ha: pless than

<0.5

B.

Upper H 0

H0: pequals

=0.5

Upper H Subscript a

Ha: pnot equals

0.5

C.

Upper H 0

H0: pless than

<0.5

Upper H Subscript a

Ha: pequals

=0.5

D.

Upper H 0

H0: pequals

=0.5

Upper H Subscript a

Ha: pgreater than

>0.5

Find the test statistic.

zequals

=

nothing

(Round to two decimal places asneeded.)

Find theP-value for the found test statistic.

P-valueequals

=

nothing

(Round to four decimal places asneeded.)

State the conclusion. Choose the correct answer below