Best writers. Best papers. Let professionals take care of your academic papers

Order a similar paper and get 15% discount on your first order with us
Use the following coupon "FIRST15"
ORDER NOW

14. (8 points) The time to perform a knee replacement is normally

/in /by

14. (8 points) The time to perform a knee replacement is normally
distributed with a mean of 2.5 hours and standard deviation of 0.6 hours.
a. State the random variable.
b. 60 percent of knee replacements take less than what time?
c. What is the probability that a randomly selected knee replacement will take more than 3.0 hours?
d. What is the probability that a random sample of 9 knee replacements will have a mean replacement time of more than 3.0 hours?

 
Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code "Newclient"