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. IQ is normally distributed with a mean of 100 and a standard deviation of 15....

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Statistics

. IQ is normally distributed with a mean of 100 and a standarddeviation of 15. Suppose an individual is randomly chosen. a) (3pt)Find the probability that the person has an IQ greater than 125. b)(4pt) Find the probability that the person has an IQ score between105 and 118. c) (4pt) What is the IQ score of a person whosepercentile rank is at the 75th percentile, ?75? d) (3pt) Use theinformation from part (c) to fill in the blanks and circle thecorrect choice in the following statement. ________% of theindividuals (persons) have IQ score less than/more than __________e) (4pt) “MENSA” is an organization whose members have the top 2%of all IQs. Find the minimum IQ needed to qualify for the “MENSA”organization

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