Saturday
September 20, 2014

Homework Help: Statistics

Posted by jonathan on Friday, November 30, 2012 at 4:53pm.

The time per week a student uses a lab computer is normally distributed, with a mean of 6.2 hours and a standard deviation of 0.9 hour. A student is randomly selected.

a. Find the probability that a student uses a lab computer less than 4 hours per week.

b. Find the probability that a student uses a lab computer between 5 and 7 hours per week.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - A survey was conducted to measure the number of hours per week ...
probability - 1. The time it takes a student to cycle to school is normally ...
statistics - Suppose that the test scores for a college entrance exam are ...
statistics - The IQ of 100 college students in XYZ univ are found to be normally...
Math-one more - The average length of time, per week, that students at a certain...
statistics - Section 5.3: Normal Distributions: Finding Values Answer the ...
math-true/false - 9.)The actual weight of 2-pound sacks of salted peanuts is ...
statistics - ten randomly selected people were asked how long they slept at ...
Stats - I am working on a review sheet and got everything except for this one. I...
statistics - Can you please tell me how to solve for the following? Pedro took ...

Search
Members