IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Membership in Mensa requires an IQ score above 131.5. (a) If one person is randomly selected from the general population, find the probability of getting someone with an IQ score of at least 131.5. (b) If a random sample of 3 people is selected from the general population, find the probability of them having a mean IQ of at least 131.5.

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282 6/7 cm^2

step-by-step explanation:

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.