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IQ scores have a mean of 100 and standard deviation of 15: a) What percentage of...

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Question

Basic Math

IQ scores have a mean of 100 and standard deviation of 15:

a) What percentage of scores fall between 100 & 135?

b) What percentage of scores fall between 88 & 100?

Answer & Explanation Solved by verified expert
3.6 Ratings (609 Votes)
a What percentage of scores fall between 100 135X IQ scoreWe apply Z score formulaNow we use TI8384 calclatorFollow the path of TI 8384Press 2ND Press VARSselect normalcdfLower    See Answer
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