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A psychologist specializing in marriage counseling claims that, among all married couples, the proportion p for...

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Basic Math

A psychologist specializing in marriage counseling claims that,among all married couples, the proportion p for whom hercommunication program can prevent divorce is at least 76%. In arandom sample of 225 married couples who completed her program, 168of them stayed together. Based on this sample, can we reject thepsychologist's claim at the 0.05 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.)
Thep-value:
(Round to at least three decimal places.)
Can we reject thepsychologist's claim that the proportion of married couples forwhom her program can prevent divorce is at least

76%

?		YesNo

Answer & Explanation Solved by verified expert
3.9 Ratings (614 Votes)
NoWe cant reject the    See Answer
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