Distribution 82042
Assume that the IQ in the population follows a normal distribution with a mean of 100 points and a standard deviation of 10 points. With what probability among 15 randomly selected people:
a. Is there anyone with an IQ above 130 points?
b. Are there at least 2 people with an IQ above 130 points?
a. Is there anyone with an IQ above 130 points?
b. Are there at least 2 people with an IQ above 130 points?
Correct answer:
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