Computing probability of randomly sampling
IQ as measured by an Intelligence Test is scaled so that the mean in the population is 100 with a standard deviation of 15. What is the probability of randomly sampling a set of 5 people out of this population who have a man IQ of 120 or greater?
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In a poll of 600 randomly selected subjects, 240 answered "yes" when asked if they planned to vote in a state election. Construct a 95% confidence interval estimate of the proportion of all who plan to vote in that election.
What is the probability of randomly sampling a set of 5 people out of this population who have a man IQ of 120 or greater?
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