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A company randomly chose 200 US households and found that in 120 of them, the women made...

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Statistics

A company randomlychose 200 US households and found that in 120 of them, the womenmade the majority of the purchasing decisions. We want to know thepopulation proportion of US housholds where women make the majorityof purchasing decisions. Construct a 96% confidence interval tofind p.  

a) what is p hat?

b) what is alpha?

c) what is the valueof the test statistic

d) what is the valueof the standard errror

e) what is the valueof the margin of error

f) what is the lowerboundary of the confidence interval

g) what is the upperboundary of the confidence interval

Answer & Explanation Solved by verified expert
3.8 Ratings (451 Votes)
Solution Given thatn 200x 120a Point estimate sample proportion x n 120200 06001    See Answer
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