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Most married couples have two or three personality preferences in common. A random sample of 375...

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Basic Math

Most married couples have two or three personality preferencesin common. A random sample of 375 married couples found that 134had three preferences in common. Another random sample of 573couples showed that 215 had two personality preferences in common.Let p1 be the population proportion of allmarried couples who have three personality preferences in common.Let p2 be the population proportion of allmarried couples who have two personality preferences in common.

(a) Find a 90% confidence interval for p1 –p2. (Round your answers to three decimalplaces.)

lower limit    
upper limit    

Answer & Explanation Solved by verified expert
4.3 Ratings (543 Votes)
Solution Given thatn1 375x1 1341 x1 n1 0357n2 573x2 2152 x2 n2 03751 Point    See Answer
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