qnt/561

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i have paid. i pressed pay.i need to pay and rate you excellent but i need answers to que. 7& 10

but you need to please help with question 7 and 10.question 7.check the bottom,b.)construct 95% confidence interval.what is the answers? because you have got two different answers.

and question 10 c)the answers is 1.28 i but is it a,b,c,or d? is z={ }or z less than or z graeter than or the last on option d
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