A psychologist specializing in marriage counseling claims that, among all married couples, the proportion p for whom her communication program can prevent divorce is at least 75%. In a random sample of 225 married couples who completed her program, 161 of them stayed together. Based on this sample can we reject the psychologists claim at the 0.05 level of significance? Perform a one tailed test, and complete the parts below. )State the null hypothesis H, and the alternative hypothesis H,.0.H, :(b) Determine the type of test statistic to use.(Choose one) ▼(© Find the value of the test statistic. (Round to three or more decimal.place(d) Find the p-value. (Round to three or more decimal places.)(e) Can we reject the psychologist's claim that the proportion of married couplefor whom her program can prevent divorce is at least 75%?OYes ONo

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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A psychologist specializing in marriage counseling claims that, among all married couples, the proportion p for whom her communication program can prevent divorce is at least 75%. In a random sample of 225 married couples who completed her program, 161 of them stayed together. Based on this sample can we reject the psychologists claim at the 0.05 level of significance?

Perform a one tailed test, and complete the parts below.

)State the null hypothesis H, and the alternative hypothesis H,.
0.
H, :
(b) Determine the type of test statistic to use.
(Choose one) ▼
(© Find the value of the test statistic. (Round to three or more decimal.place
(d) Find the p-value. (Round to three or more decimal places.)
(e) Can we reject the psychologist's claim that the proportion of married couple
for whom her program can prevent divorce is at least 75%?
OYes ONo

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