A simple random sample of size n is drawn from a population whose population standard deviation , , is known to be 3.8. The sample mean,  , is determine to be 59.2. Compute the 90% confidence interval for  if the sample size, n, is 45.   Question 2 options:   (55. 5; 60.25)   (55.47; 60.10)   (58.27; 60.13)   (47.25; 60.13)

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A simple random sample of size n is drawn from a population whose population standard deviation , , is known to be 3.8. The sample mean , is determine to be 59.2.

Compute the 90% confidence interval for  if the sample sizen, is 45.

 

Question 2 options:

 

(55. 5; 60.25)

 

(55.47; 60.10)

 

(58.27; 60.13)

 

(47.25; 60.13)

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