SOLUTION: A laptop manufacturer finds that the average time it takes an employee to load a laptop with software is 35 minutes with a standard deviation 15 minutes. Suppose you take a random
Algebra.Com
Question 582136: A laptop manufacturer finds that the average time it takes an employee to load a laptop with software is 35 minutes with a standard deviation 15 minutes. Suppose you take a random sample of 64 employees. The standard deviation of the sample mean is:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A laptop manufacturer finds that the average time it takes an employee to load a laptop with software is 35 minutes with a standard deviation 15 minutes. Suppose you take a random sample of 64 employees. The standard deviation of the sample mean is:
----
By the Central Limit Theorem the std of the sample means = 15/sqrt(64)
= 15/8
===================
Cheers,
Stan H.
RELATED QUESTIONS
A company that manufactures bookcases finds that the average time it takes an employee to (answered by ewatrrr)
The manager of a computer retail store is concerned that his suppliers have been giving... (answered by Theo)
The manager of a computer retail store is concerned that his suppliers have been giving... (answered by Theo)
A survey found that 80% of business travelers carry a laptop.
a) how many would be... (answered by stanbon)
The manager of a computer retails store is concerned that his suppliers have been giving... (answered by Boreal)
A computer manufacturer offers technical support that is available 24 hours a day,
7... (answered by ElectricPavlov)
Steven plans on fining a summer job, so he can earn enough money to buy a new laptop that (answered by josgarithmetic)
On average, a certain laptop lasts for 5 years. The length of time the laptop lasts is... (answered by Boreal)
A laptop has a listed price of $764.99 before tax. If the sales tax rate is 8.75%, find... (answered by Alan3354)