Mathematics, 02.03.2020 19:27 beluvangel418
The length of a coil of copper wire is a random variable with mean 150 m and standard deviation 4 m. If we choose five coils of wire at random, what is the variance of the total length of the wire in the coils
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The length of a coil of copper wire is a random variable with mean 150 m and standard deviation 4 m....
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