Answered: A recent study at a local college…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

A recent study at a local college claimed that the proportion,

, of students who commute more than fifteen miles to school is no more than

20%

. If a random sample of

250

students at this college is selected, and it is found that

commute more than fifteen miles to school, can we reject the college's claim at the

0.05

level of significance?

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

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

The null hypothesis:	H0:
The alternative hypothesis:	H1:
The type of test statistic:	(Choose one)ZtChi squareF

The value of the test statistic: (Round to at least three decimal places.)
The critical value at the 0.05 level of significance: (Round to at least three decimal places.)
Can we reject the claim that the proportion of students who commute more than fifteen miles to school is no more than 20% ?	Yes	No

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