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The random sample shown below was selected from a normal distribution. 7​, 10​, 3​, 10​,3,3​   ...

The random sample shown below was selected from a normal distribution.

7​, 10​, 3​, 10​,3,3​

  

Complete parts a and b.

a. Construct a 90​% confidence interval for the population mean μ. left parenthesis nothing comma nothing right parenthesis,

​(Round to two decimal places as​ needed.)

Homework Answers

Answer #1

from above 90​% confidence interval for the population mean μ =3.15 ; 8.85

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