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Suppose that upper x has a discrete uniform distribution f left-parenthesis x right-parenthesis equals startlayout left-brace1st row 1st column 1 divided by 3, 2nd column x equals 1,2,3 2nd row 1st column 0, 2nd column otherwise endlayout a random sample of n equals 35 is selected from this population. find the probability that the sample mean is greater than 2.1 but less than 2.5. express the final answer to four decimal places (e. g. 0.9876).
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Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.
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Which of the following is the result of expanding the series
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Suppose that upper x has a discrete uniform distribution f left-parenthesis x right-parenthesis equa...
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