Find the indicated probability. The monthly income of trainees at a local mill is normally distributed with mean $1100 a
Posted: Thu Jul 14, 2022 4:52 pm
Find the indicated probability. The monthly income of trainees at a local mill is normally distributed with mean $1100 and a standard deviation of $150. Find the probability that a trainee earns more than $1040 a month.
Replacement times for washing machines are normally distributed with a mean of 9.3 vears and standard deviation of 1.1 years. Find the probability that 70 selected washing machines will have a mean replacement time less than 9.1 years.
Replacement times for washing machines are normally distributed with a mean of 9.3 vears and standard deviation of 1.1 years. Find the probability that 70 selected washing machines will have a mean replacement time less than 9.1 years.