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March 31, 2015

March 31, 2015

Posted by **Joey** on Sunday, October 27, 2013 at 11:31pm.

milk sold to customers. Assume the number of gallons sold follows the normal

distribution, with a population standard deviation of 5.10 gallons. A random

sample of 60 days shows that the mean daily number of gallons sold is 10.00.

1) What is the point estimate of the population mean?

2) Compute a 99% confidence interval for the population mean.

- Statistics -
**Kuai**, Monday, October 28, 2013 at 12:02am1. the point estimate of the population mean is 10 gallons.

2. [(10-2.575*5.10/sqrt((60)), 10+ 2.575*5.10/sqrt((60))])

= [8.3, 11.7]

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