Use the following sample to estimate a population mean u. 64.2 41 74.5 43.1 33.1 62.2 70.9 80.6 Assuming the population is normally distributed, find the 99.9% confidence interval about the population mean. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places. 99.9% C.I. =

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Question 4
Use the following sample to estimate a population mean pu.
64.2
.41
74.5
43.1
33.1
62.2
70.9
80.6
Assuming the population is normally distributed, find the 99.9% confidence interval about the population
mean. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places.
99.9% C.I.
Submit Question
選
活 S
展
on 1.jpg
W
Transcribed Image Text:Question 4 Use the following sample to estimate a population mean pu. 64.2 .41 74.5 43.1 33.1 62.2 70.9 80.6 Assuming the population is normally distributed, find the 99.9% confidence interval about the population mean. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places. 99.9% C.I. Submit Question 選 活 S 展 on 1.jpg W
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