Question: 1.) The IQ mean is 100, st. dev. is 15, what's the probability of X (IQ of an individual) being greater than 120? 2.) Mensa

1.) The IQ mean is 100, st. dev. is 15, what's the probability of X (IQ of an individual) being greater than 120?

2.) Mensa is only includes members who have the top 2% of all IQ's,

a.) find the minimum IQ needed to qualify for the Mensa group, find the probability statement

b.) the middle 50% of IQ's fall between what two values? write the probability statement

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