HYPOTHESIS TESTING: 6. A study was designed to compare the smoking habits of married men with those married women. A random sample of 240 men revealed that 180 smoked. A random sample of 220 women indicate that 54 smoked. At the 0.01 significance level does the evidence show that a higher proportion of men smoke?
HYPOTHESIS TESTING: 6. A study was designed to compare the smoking habits of married men with those married women. A random sample of 240 men revealed that 180 smoked. A random sample of 220 women indicate that 54 smoked. At the 0.01 significance level does the evidence show that a higher proportion of men smoke?
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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HYPOTHESIS TESTING:
6. A study was designed to compare the smoking habits of married men with those
married women. A random sample of 240 men revealed that 180 smoked. A
random sample of 220 women indicate that 54 smoked. At the 0.01 significance
level does the evidence show that a higher proportion of men smoke?

Transcribed Image Text:Solution:
Step 1: State the hypotheses.
Ho-
Step 2: The level of significance and the critical region. a=
and zcritical=
Step 3: Compute the value of z test for proportions. zcomputed
P2=
%3D
Step 4: Decision rule.
Step 5: Conclusion.
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