Question: A normal random variable x has an unknown mean u (mu) and a standard deviation of 2. If the probability that x exceeds 7.5 is

A normal random variable x has an unknown mean u (mu) and a standard deviation of 2. If the probability that x exceeds 7.5 is .8023, find u (mu).

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!

Q:

A normal random variable x has an unknown mean m and standard deviation = 2. If the probability that x exceeds 7.5 is .8023, find .

Q:

Need assistance. U = A normal random variable x has an unknown mean / and standard deviation o = 2. If the probability that x exceeds 5.1 is 0.8023, find M. (Round your answer to one decimal place.)

Q:

6.14 A normal random variable x has an unknown mean and standard deviation or =2. If the probability that X exceeds 7.5 is 0.8023, find .

Q:

Find mean. Round to one decimal MENDSTATT5 6.2.044.5. MY NOTES A normal random variable x has an unknown mean , and standard deviation o = 2. If the probability that x exceeds 9.4 is 0.8023, find H....

Q:

A normal random variable x has an unknown mean and standard deviation. The probability that x exceeds 4 is 0.9772, and the probability that x exceeds 6 is 0.9332. Find y and . (Round your answers to...

Q:

A normal random variable X has an unknown mean and standard deviation. The probability that X exceeds 5 is 0.9772, and the probability that X exceeds 6 is 0.9332. Find u and o. Need Help? Read It...

Q:

A normal random variable x has an unknown mean and standard deviation. The probability that x exceeds 4 is .9772, and the probability that x exceeds 5 is .9332. Find and .

Q:

6.17 A normal random variable X has an unknown mean and standard deviation. The probability that X exceeds 4 is 0.9772, and the probability that X exceeds 5 is 0.9332. Find and ..

Q:

Round answer to one decimal place Need Help? Read It Submit Answer 13. [-/2 Points] DETAILS MENDSTAT15 6.2.045.S. MY NOTES ASK YOUR TEACHER A normal random variable x has an unknown mean and standard...

Q:

1) Consider a random variable X that is normally distributed with a mean and standard deviation ?. Converting X to a standard normal distribution _____. creates a new random variable called Z which...

Q:

The U.S. Department of Labor gathers and publishes statistics concerning the labor market. The file Workforce contains data on the size of the U.S. civilian non institutional population of people 16...

Q:

Give the number of protons ,neutrons and electrons in the following species 31P^3- ion?

Q:

Consider a project with the following cash flows: Assume the appropriate discount rate for this project is \ ( 1 5 \ % \ ) . The payback period for this project is closest to: 3 2 . 5 2 4

Q:

2023 1040 form 1.Phillip and Claire are married and file a joint return. Phillip is self-employed as a real estate agent, and Claire is a flight attendant. Phillip and Claire have three dependent...