February 21, 2017

Homework Help: Statistics

Posted by Please help me work out this problem!!! on Wednesday, June 26, 2013 at 9:30am.

A college admissions officer takes a simple random sample of 103 entering freshmen and computes their mean mathematics SAT score to be 493. Assume the population standard deviation is 112. What is the lower bound of the 99% confidence interval?

Round your answer to the nearest integer.

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