### Free Educational Resources

• > A RANDOM VARIABLE FOLLOWS A NORMAL DISTRIBUTION...
+

# A RANDOM VARIABLE FOLLOWS A NORMAL DISTRIBUTION WITH A MEAN OF 126 AND A STANDARD DEVIATION OF 26.

##### Rating:
(0)
Author: Christine Farr
##### Description:

http://theperfecthomework.com/a-random-variable-follows-a-normal-distribution-with-a-mean-of-126-and-a-standard-deviation-of-26/

A random variable follows a normal distribution with a mean of 126 and a standard deviation of 26.
What is the probability that a randomly selected value from this population is less than or equal to 140?

A random variable follows a normal distribution with a mean of 126 and a standard deviation of 26.
What is the probability that a randomly selected value from this population is between 105 and 140?

A random variable follows a uniform distribution between 25 and 45.
What is the standard deviation of this distribution?

A random variable follows a uniform distribution between 25 and 45.
What is the possibility that the observed value is exactly equal to 34?

(more)
##### Try a College Course Free

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to over 2,000 colleges and universities.*

No credit card required

25 Sophia partners guarantee credit transfer.

226 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 21 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.

Tutorial