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A presidential candidate's aide estimates that, among all college students, the proportion p who intend to...

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Basic Math

A presidential candidate's aide estimates that, among allcollege students, the proportion p who intend to vote in theupcoming election is at least 70%. If 158 out of a random sample of235 college students expressed an intent to vote, can we reject theaide's estimate at the 0.1 level of significance?Perform aone-tailed test. Then fill in the table below.Carry yourintermediate computations to at least three decimal places andround your answers as specified in the table. (If necessary,consult a list of formulas.)

The nullhypothesis:

H0:

The alternativehypothesis:

H1:

The type of teststatistic:(Choose one)ZtChisquareF
The value of thetest statistic:
(Round to at least three decimal places.)
The critical valueat the

0.1

level of significance:
(Round to at least three decimal places.)
Can we reject theaide's estimate that the proportion of college students who intendto vote is at least

70%

?		YesNo

Answer & Explanation Solved by verified expert
3.8 Ratings (509 Votes)
We have to test H0 p 07 against H1 p 07The teststatistic is given by Z where 158235 06723 07 n 235Hence Z    See Answer
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