The lifespan sensitive industrial sensors manufactured by UCorp engineering is normally distributed with a mean of 200 hours and a standard deviation of 50 hours. A random sample of 60 machines is selected. Determine: i. the standard deviation of the sampling distribution X. ii. the probability of lifespan is less than 200 hours. iii. the probability of lifespan between 200 and 210 hours.
The lifespan sensitive industrial sensors manufactured by UCorp engineering is normally distributed with a mean of 200 hours and a standard deviation of 50 hours. A random sample of 60 machines is selected. Determine: i. the standard deviation of the sampling distribution X. ii. the probability of lifespan is less than 200 hours. iii. the probability of lifespan between 200 and 210 hours.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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