SOLUTION: The time it takes to assemble an electronic component is normally distributed with a mean of 17.2 minutes and a standard deviation of 3.1 minutes. What is the probability that it w
Algebra.Com
Question 1159006: The time it takes to assemble an electronic component is normally distributed with a mean of 17.2 minutes and a standard deviation of 3.1 minutes. What is the probability that it will take at least 20 minutes to assemble a component?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
z=(x-mean)/sd
z=(20-17.2/3.1=2.8/3.1 or z<0.90
probability is 0.8168
RELATED QUESTIONS
The time it takes to assemble an electronic component is normally distributed with a mean (answered by rothauserc)
The time required to assemble an electronic device is normally distributed
with a mean... (answered by ikleyn)
The amount of time required to assemble a component on a factory assembly line is... (answered by Boreal)
It takes an avarege of 70 minutes with standard deviation of 10 minutes to assemble a... (answered by Jc0110)
To estimate the average time it takes to assemble a certain
computer component the... (answered by Boreal)
To estimate the average time it takes to assemble a certain computer component the... (answered by Boreal)
Zodwa,the operations manager of a large production plant would like to estimate the mean... (answered by Boreal)
It takes on average, 70 minutes with a standard deviation of 10 minutes to assemble a... (answered by ikleyn)
To estimate the average time it takes to assemble a certain computer... (answered by ikleyn)