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January 16, 2017

Homework Help: Elementary Statistics

Posted by Leah on Saturday, April 16, 2016 at 3:30pm.

SAT math test scores for all students taking the test are approximately normally distributed with mean score of 514 and std. deviation of 118.

What is the probability that a randomly chosen student will earn a score above 600 on their SAT math test?

There's 19 students, suppose that everyone in class will take the SAT math test soon. What is the probability that the mean score of the class will be above 600?

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