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Mathematics, 23.03.2021 05:10 christiantorres57
A market research company employs a large number of typists to enter data into a computer. The time taken for new typists to learn the computer system is known to have a normal distribution with a mean of 90 minutes and a standard deviation of 18 minutes. The proportion of new typists that take at most two hours to learn the computer system is
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A market research company employs a large number of typists to enter data into a computer. The time...
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