Mathematics, 21.04.2020 04:54 derekcalhoun4943
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 177.5-cm and a standard deviation of 1.2-cm. For shipment, 7 steel rods are bundled together. Find the probability that the average length of a randomly selected bundle of steel rods is less than 178.3-cm.
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Mathematics, 21.06.2019 22:00
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The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22
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A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of...
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