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Mathematics, 20.06.2020 22:57 camp591
The lengths of lumber a machine cuts are normally distributed with a mean of 106 inches and a standard deviation of 0.3 inch. (a) What is the probability that a randomly selected board cut by the machine has a length greater than 106.11 inches? (b) A sample of 44 boards is randomly selected. What is the probability that their mean length is greater than 106.11 inches? (a) The probability is nothing.
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The lengths of lumber a machine cuts are normally distributed with a mean of 106 inches and a standa...
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