Thursday
December 18, 2014

Homework Help: statistics

Posted by Jessica on Wednesday, June 22, 2011 at 8:11pm.

A final exam in Math 157 is normally distributed and has a mean of 75 with a standard deviation of 12. If 36 students are randomly selected, find the probability that the mean of their test scores is greater than 70.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - Can you please tell me how to solve for the following? Pedro took ...
statistics - A final exam in sociology has a mean of 72 and a standard deviation...
Statistics - 5. Scores on a recent national statistics exam were normally ...
statistics - Suppose a random sample of 25 students is selected from a community...
Analytical Skills - If your score on a statistics exam was 76 and the professor ...
math - on a mathematics test in high school, scores are normally distributed ...
statistics - Suppose the amount of time it takes for statistics students to ...
statistics - Scores on a visual perception test are normally distributed with a ...
Statistics - Scores on a visual perception test are normally distributed with a ...
stats - A final exam in Math 160 has a mean of 73 with standard deviation 7.73. ...

Search
Members