5.  IQ is a measure of reasoning which is normally distributed with a mean of 100 and a standard deviation of 15. a) What is the probability that a random person has an IQ of less than 90? Group of answer choices Normalcdf(0,90,100,15) Normalpdf(90,100,15) 1-Normalpdf(90,100,15) 1-Normalcdf(0,90,100,15)

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5.  IQ is a measure of reasoning which is normally distributed with a mean of 100 and a standard deviation of 15.

a) What is the probability that a random person has an IQ of less than 90?

Group of answer choices
Normalcdf(0,90,100,15)
Normalpdf(90,100,15)
1-Normalpdf(90,100,15)
1-Normalcdf(0,90,100,15)
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