Homework Help: statistics

Posted by Sarah on Thursday, March 24, 2011 at 3:35pm.

A business uses a 7-point scale about satisfaction with the services it provides to clients. The ratings are normally distributed with a mean of 4.8 and a standard deviation of .5. What percentage of clients rate their satisfaction
1) Above 5?
2) Above 6?
3) Above 4?
4) Below 4?
(*Write down just a number for each question with 2 decimal points like 99.99 without %. Include 0 before the decimal point like 0.01.)

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