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Topic review (newest first)
- bobbym
- 2012-10-04 00:25:31
Hi cassrl;
I am getting for A) .608421 as the probability.
For B) you use the central Limit Theorem. Please try that now.
- cassrl
- 2012-10-03 23:38:57
X score is normally distibuted with mean 90 and standard deviation 23 Find:
A-the probability of a score between 76 and 117
b-probability that the mean score of a sample of n=64 is greater than 97