Find sample mean to cut off the upper percentage

Reference no: EM13121372

The average breaking strength of a certain brand of steel cable is 2000 pounds with a standard deviation of 100. a sample of 20 cables is selected and tested find the sample mean that will cut off the upper 95% of all the sample of 20 taken from the population. assume the variable is normally distributed.

Reference no: EM13121372

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