IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. If a certain statistician has an IQ of 140, what percent of the population has a lower IQ?

id

step-by-step explanation:

idk

idk

i know the way

and

idk

step-by-step explanation:

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add the numbers under frequency to find the total number:

5 + 8 +7 + 4 + 0 +1 = 25

the answer is 25.