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Let x stand for the length of an individual screw.100 screws were sampled at a time.The population mean is 2.5 inches and the population standard

Let x stand for the length of an individual screw.100 screws were sampled at a time.The population mean is 2.5 inches and the population standard deviation is 0.2 inches.

What is the mean of the sampling distribution of sample means?

2.5
2
0.02
0.2

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