This Question: 14 pts 28 of 31 (21 omplete) This Quiz: 250 pts possible An annua

Question

This Question: 14 pts 28 of 31 (21 omplete) This Quiz: 250 pts possible An annual survey of first year colloge students asks 274,000 students about their atitudes on a varity of subjects. A coring to a recent survey, 55% of frst year students beleve that abortion clam that over half of all first year students believe that abortion should be legal Formulate the null and alternative hypotheses Choose the correct answer below H, p05 "-p#05 H, P Os H, D>05 Find the tost staistic (Round to two domal places as needed ) Find the P-valuo for the found tost stabistic Click to select your answer(s)

Explanation / Answer

Solution:

since it says over half

Ho:p=0.5

H1:p>0.5

OPTION D

Solution2:

z=p^-p/p(1-p)/n

=0.54-0.5/sqrt(0.5(1-0.5)/274000)

=41.88

Z=41.88

Solutionc:

p value is <0.00001

p=0.0000

p<0.05

reject Null Hypothesis.

there is suffiicent evidence to support the claim.

OPTIONC

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