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Mathematics 14 Online
OpenStudy (b77w):

In a random sample of 75 American women age 18 to 30, 26 agreed with the statement that a woman should have the right to a legal abortion for any reason. In an independent random sample of 64 American women age 58 to 70, 21 agreed with the same statement.Are older women more or less likely than younger women to support abortion for any reason?

OpenStudy (b77w):

Should I do a hypothesis test here? P2-P1> 0??

OpenStudy (latinc):

you have two samples one is 26/75 and the other is 21/64

OpenStudy (b77w):

yes, I have that

OpenStudy (kropot72):

Is the sample proportion for older women in support greater or less than the sample proportion for younger women?

OpenStudy (b77w):

it's lower

OpenStudy (kropot72):

So, you can now answer the question. The sample proportions are point estimates of the population proportions. The question does not ask for a confidence interval for the difference in the means of the two populations.

OpenStudy (b77w):

So that is all I need to do? I don't need to do a hypothesis test?

OpenStudy (kropot72):

The question does not give a decimal or a percentage level for a hypothesis test.

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