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Suppose a sample of 1000 adults was asked? "Do you buy clothes from your mobile? device?" and the results are summarized in the table to the right. Complete parts? (a) through?(c) below.
Male Female Total Buy clothes from their mobile device
Yes 225 275 500
No 275 225 500
Total 500 500 1000
Is there evidence of a significant difference between the proportion of males and females who say they buy clothing from their mobile devices at the 0.005 level of? significance?
Calculate the test statistic
χ2STAT=
?(Round to three decimal places as? needed.)
Determine the? p-value in? (a) and interpret its meaning.
A company borrows $6000 in December 2013. If the interest rate is 5%, what single payment must be made in December 2019 to repay the entire principal? If the company chooses to make uniform annual payments instead (starting December 2014), what wo..
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a sample of 21 of 180 funded projects revealed that 19 were valued at 17680 each and 2 were valued at 20320 each. from
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