Question: ** Please show work on how achieved answer** The number of hours per week American adults spend on home computers is normally distributed with a

** Please show work on how achieved answer**

The number of hours per week American adults spend on home computers is normally distributed with a mean of 4 hours and a standard deviation of 1.5 hour. An American adult is randomly selected.

(A) Find the probability that this adult spends less than 2.5 hours per week on the computer.

(B) Find the probability that this adult spends between 2.2 hours and 6.5 hours on their home computer per week.

(C) If 35 American adults are randomly selected, how many will say they spend less than 3 hours per week on their home computer?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!