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A population has a mean of 18 and a standard deviation of of 1.2. What proportion of the population is less than 20? (Round your answer to 4 decimal places)
Statistics and Probability, Statistics
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1. Let random variable x represent the number of heads when a fair coin is tossed two times. (a) Construct a table describing the probability distribution. x P(x) 0 1 2 Determine the mean and standard deviation of x.
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In a recent year, 8,415,394 male students and 4,879,215 female students were enrolled as undergraduates. Receiving aid were 62.9% of the male students and 68.3% of female students. Of those receiving aid, 41.9% of the ma ...
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