Stats Solutions

[Solved] A population is normally distributed with a mean of 25 and a standard deviation of 5. (2 points each except part e) Show your work. If a piece

Question: A population is normally distributed with a mean of 25 and a standard deviation of 5. (2 points each except part e ) Show your work.

  1. If a piece of datum is randomly taken from this distribution, what is the probability that it is less than 20?
  2. If a piece of datum is randomly taken from this distribution, what is the probability that a value of X is between 20 and 35?
  3. What value represents the 90 th percentile of the distribution?
  4. Between what two values will the middle 80% of the data fall?
  5. If a sample of 4 pieces of data are taken from this distribution, what is the probability the mean will be less than 20? (5 points)

Price: $2.99
Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document


∴ Other downloads you may be interested in ∴

log in to your account

Forgot password?
Don't have a membership account?
REGISTER

reset password

Back to
log in

sign up

Back to
log in