Determine the point estimate of the population mean and margin of error for the confidence interval....

Question

Question

Determine the point estimate of the population mean and margin of error for the confidence interval. Lower bound is 18, upper

Answer 1

Answer #1

Solution :

point estimate = (Lower confidence interval + Upper confidence interval ) / 2

point estimate = (18+20) / 2

=19

Margin of error = E = Upper confidence interval - pont estimate

= 20 - 19

Margin of error = E =1

Answer 2

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