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Question #9 / 15 A recent study at a local college claimed that the proportion,p

ID: 2954383 • Letter: Q

Question

Question #9 / 15

A recent study at a local college claimed that the proportion,p of students who commute more than fifteen miles to schoolis no more than 25% . If a random sample of 275students at thiscollege is selected, and it is found that 87commute more thanfifteen miles to school, can we reject the college's claim at the0.05level of significance?

Perform a one-tailed test. Then fill in the table below.

Carry your intermediate computations to at least three decimalplaces and round your answers as specified in the table

ANSWER:

H0:

H1:

Type of test statistic___________? Options (   z, t, chi sqr,f)

Value of test statistic:round at least 3 decimal places.

P VALUE: round 3 decimalplaces:

Can we reject the claim that the proportion of students whocommute more than fifteen miles to school is no more than 25%?_________(yes or no)

Explanation / Answer

Given p=0.25, n=275, phat=87/275 = 0.32 The test hypothesis is Ho:p>=0.25 Ha:p