QUESTION 37 At a computer manufacturing company, the actual size of a computer chip is...
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QUESTION 37 At a computer manufacturing company, the actual size of a computer chip is normally distributed with a mean of i centimeter and a standard deviation of 0.1 centimeter. A random sample of 12 computer chips is taken. What is the probability that the sample mean will be below 0.95 centimeters? O a. 0.25 b.0.0416 O c.0.0855 O d. 0.14 QUESTION 38 As an aid to the establishment of personnel requirements, the director of a hospital wishes to estimate the mean number of people who are admitted to the emergency room during a 24-hour period. The director randomly selects 64 different 24-hour periods and determines the number of admissions for each. For this sample, X = 396 and S = 100. Estimate the mean number of admissions per 24-hour period with a 95% confidence interval O a. 396 +21.553 O b.396 26.783 O c. 396 24.9793 O d.396 30.277
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