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Suppose the mean IQ for a group of psychopaths is

Suppose the mean IQ for a group of psychopaths is 105 and the standard deviation is 7.

Assuming a normal distribution, determine

a. The percentage of IQ scores between 100 and 110.

b. The probability of selecting a psychopath at random who has an IQ between 100 and 110.

c. The percentage of IQ scores between 90 and 105.

d. The probability of randomly selecting a psychopath who has an IQ between 90 and 105.

e. The percentage of IQ scores that are 125 or above.

f. The probability of randomly selecting a psychopath who has an IQ of 125 or above.

Assuming a normal distribution, determine

a. The percentage of IQ scores between 100 and 110.

b. The probability of selecting a psychopath at random who has an IQ between 100 and 110.

c. The percentage of IQ scores between 90 and 105.

d. The probability of randomly selecting a psychopath who has an IQ between 90 and 105.

e. The percentage of IQ scores that are 125 or above.

f. The probability of randomly selecting a psychopath who has an IQ of 125 or above.

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