Consider the process of drilling holes in printed circuits boards. Assume that the
Chapter 5, Problem s5-29(choose chapter or problem)
Consider the process of drilling holes in printed circuits boards. Assume that the standard deviation of the diameters is 0.01 and that the diameters are independent. Suppose that the average of 500 diameters is used to estimate the process mean. (a) The probability is at least 1516 that the measured average is within some bound of the process mean. What is the bound? (b) If it is assumed that the diameters are normally distributed, determine the bound such that the probability is 1516 that the measured average is closer to the process mean than the bound.
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