# Question

a. For the normal distribution shown below, find the z -score.

b. Find the value of z (rounding to two decimal places) for right-tail probabilities of

(i) 0.05 and

(ii) 0.005.

b. Find the value of z (rounding to two decimal places) for right-tail probabilities of

(i) 0.05 and

(ii) 0.005.

## Answer to relevant Questions

Find the z -score such that the interval within z standard deviations of the mean (between μ - zσ and μ + zσ) for a normal distribution contains a. 50% of the probability. b. 90% of the probability. c. Sketch the two ...According to www.mynewplace.com, in January 2011 the average monthly rental rate for one bedroom apartments in Ann Arbor, Michigan, was $796. (Background information from ...Refer to the normal distributions for women’s height (μ = 65, σ = 3.5) and men’s height (μ = 70, σ = 4.0). A man’s height of 75 inches and a woman’s height of 70 inches are both 5 inches above their means. Which ...An instructor always assigns final grades such that 20% are A, 40% are B, 30% are C, and 10% are D. The grade point scores are 4 for A, 3 for B, 2 for C, and 1 for D. a. Specify the probability distribution for the grade ...Let X = the number of living grandparents that a randomly selected adult American has. According to recent General Social Surveys, its probability distribution is approximately P(0) = 0.71, P(1) = 0.15, P(2) = 0.09, P(3) = ...Post your question

0