Statistics Solutions

[Solution] Answer the questions about the specified normal distribution. The lifetime of ZZZ batteries are normally distributed with a mean of 265 hours

Question: Answer the questions about the specified normal distribution.

  1. The lifetime of ZZZ batteries are normally distributed with a mean of 265 hours and a standard deviation \(\sigma \) of 10 hours. Find the number of hours that represent the 40th percentile. (3 points)
  2. Scores on an English placement test are normally distributed with a mean of 36 and standard deviation \(\sigma \) of 6.5. Find the score that marks the top 5%. (3 points)

Price: $2.99
Solution: The downloadable solution consists of 1 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