Question: please answer 13 and 14 A sample average is 18.75 and the standard deviation is 1.40. The probability that a future sample average will be

please answer 13 and 14
please answer 13 and 14 A sample average is 18.75
A sample average is 18.75 and the standard deviation is 1.40. The probability that a future sample average will be greater than 19.00 is 43% 14% O 57% 86% Question 14 (2.5 points) If the average number of defects per unit = 30. what is the lower control limit for the c-chart? (Use 3 sigma standard deviation limits). 10 30.32

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