Question: 10. If X=115, =21, and n=38, construct a 99% confidence interval estimate of the population mean, _____

10. If X=115, =21, and n=38,

construct a 99% confidence interval estimate of the population mean,

_____

19. If

P(A)=0.8,

P(B)=0.9,

and A and B are independent, find P(A and B).________

22. If

X=82,

=10,

and

n=70,

construct a

99%

confidence interval estimate of the population mean,

____

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