Suppose that IQ scores have a bell shaped distribution with a mean of 100 and...
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Suppose that IQ scores have a bell shaped distribution with a mean of 100 and a standard deviation of 15. a- What percentage of people should have an IQ scores between 85 and 115? b-What percentage of people should have an IQ scores between 70 and 130? c- What percentage of people should have an IQ scores of more than 130? d- What percentage of people should have an IQ scores between 85 and 100?
Suppose that IQ scores have a bell shaped distribution with a mean of 100 and a standard deviation of 15.
a- What percentage of people should have an IQ scores between 85 and 115?
b-What percentage of people should have an IQ scores between 70 and 130?
c- What percentage of people should have an IQ scores of more than 130?
d- What percentage of people should have an IQ scores between 85 and 100?
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