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3. iq scores are known to be normally distributed the mean...

# Question: iq scores are known to be normally distributed the mean...

###### Question details

IQ scores are known to be normally distributed. The mean IQ score is 100 and the standard deviation is 15. The top 25% of the population (ranked by IQ score) have IQ’s above what value? P.S: need Excel formula only! no need to write stuff in paper.