SOLUTION: A company that manufactures bookcases finds that the average time it takes an employee to build a bookcase is 10 hours with a standard deviation of 3 hours. A random sample of 36 e

Algebra.Com
Question 909969: A company that manufactures bookcases finds that the average time it takes an employee to build a bookcase is 10 hours with a standard deviation of 3 hours. A random sample of 36 employees is taken. What is the likelihood that the sample mean will be more than 11 hours?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
P(x > 11) = P(t > 1/(3/sqrt(36))) = P(t>2) = tcdf( 2, 100 , 35)
RELATED QUESTIONS

A carpenter makes bookcases in two sizes, large and small. It takes 6 hours to make a... (answered by ankor@dixie-net.com)
a carpenter can construct bookcases at a cost of 40 each. if the carpenter sells the... (answered by stanbon)
A laptop manufacturer finds that the average time it takes an employee to load a laptop... (answered by stanbon)
BILL CAN BUILD A BOOKCASE IN 6 HOURS, BUT IT TAKES HIS FRIEND, DAVID, ONLY 4 HOURS TO... (answered by stanbon)
(GIVE THE ANSWER IN HOURS AND MINUTES) BILL CAN BUILT A BOOKCASE IN 6 HOURS, BUT IT... (answered by ptaylor)
A woman wants to stack two small bookcases beneath a window that is 26 1/2 inches from... (answered by mathie123)
3.An electrical company claims that the average life of the bulbs it manufactures is 1200 (answered by ikleyn)
An electrical company takes 120 hours with a standard deviation of 25 hours to wire a... (answered by stanbon)
If an employee worked a total of 33 1/2 hours over five days, what was the average amount (answered by solver91311)