What is the probability of x the windows meet the standards

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Question: See Clear Windows makes windows for use in homes and commercial buildings. The standards for glass thickness call for the glass to average 0.375 inches with a standard deviation equal to 0.050 inches. Suppose a random sample of n = 50 windows yields a sample mean of 0.392 inches.

a. What is the probability of x ≥ U 0.392 if the windows meet the standards?

b. Based on your answer to part a, what would you conclude about the population of windows? Is it meeting the standards?

Reference no: EM131652466

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