Nicole B.

asked • 03/23/14

A testing bureau reports that the mean for the population of Graduate Record Exam (GRE) scores is 500 with a standard deviation of 90.

the scores are normally distributed,
 
what proportion of scores fall between 300 and 400?

3 Answers By Expert Tutors

By:

Kay G. answered • 03/24/14

Tutor
4.9 (34)

~20 Years Accounting Tutoring Experience

Bill W. answered • 03/23/14

Tutor
4.9 (36)

Looking for help with Excel, SQL, or other business technology?

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.