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Category > Business & Finance Posted 15 Jun 2017 My Price 7.00

An economist reports that 560 out of a sample of 1,200 middle-income American households actively

An economist reports that 560 out of a sample of 1,200 middle-income American households actively participate in the stock market.

 

a. Construct a 90% confidence interval of the proportion of middle-income Americans who actively participate in the stock market.

b. Can we conclude that the proportion of middle-income Americans that actively participate in the stock market is not 50%?

 

Answers

Alpha Geek
(8)
Status NEW Posted 15 Jun 2017 10:06 AM My Price 7.00

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Attachments

file 1497521977-2233150_1_636330863063332730_90--confidence-Interval-estimate.xlsx preview (192 words )
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