# Question

Suppose the random variable x is best described by a normal distribution with μ = 25 and σ = 5. Find the z -score that corresponds to each of the following x values:

a. x = 25

b. x = 30

c. x = 37.5

d. x = 10

e. x = 50

f. x = 32

a. x = 25

b. x = 30

c. x = 37.5

d. x = 10

e. x = 50

f. x = 32

## Answer to relevant Questions

Suppose x is a normally distributed random variable with μ = 30 and σ = 8. Find a value x0 of the random variable x such that a. P(x ≥ x0) = .5 b. P(x < x0) = .025 c. P(x > x0) = .10 d. P(x > x0) = .95 Refer to the Aquatic Biology (Vol. 9, 2010) study of green sea turtles inhabiting the Grand Cayman South Sound lagoon, Exercise. Researchers discovered that the curved carapace (shell) length of these turtles is ...What is a normal probability plot and how is it used? Refer to the data on the Jan. 2010 sanitation scores for 186 cruise ships, presented in Exercise. In exercise Ship Name Sanitation Score Adventure of the Seas ......... 98 AID Aaura ............ ...In Exercise, you learned that some researchers believe that one in every three women has been a victim of domestic abuse (Domestic Vidence: Incidence and Prevalance study, Sep–Dec., 2005). a. For a random sample of 150 ...Post your question

0