# Question

Suppose that the random variable z has a standard normal distribution. Sketch each of the following z points, and use the normal table to find each z point.

a. z .01

b. z .05

c. z .02

d. – z .01

e. – z .05

f. – z .10

a. z .01

b. z .05

c. z .02

d. – z .01

e. – z .05

f. – z .10

## Answer to relevant Questions

Suppose that the random variable x is normally distributed with mean m 1,000 and standard deviation s 100. Sketch and find each of the following probabilities: a. P(1,000 ≤ x ≤ 1,200) b. P(x > 1,257) c. P(x < 1,035) ...United Motors claims that one of its cars, the Starbird 300, gets city driving mileages that are normally distributed with a mean of 30 mpg and a standard deviation of 1 mpg. Let x denote the city driving mileage of a ...Suppose that yearly health care expenses for a family of four are normally distributed with a mean expense equal to $ 3,000 and a standard deviation of $ 500. An insurance company has decided to offer a health insurance ...When a store uses electronic article surveillance (EAS) to combat shoplifting, it places a small sensor on each item of merchandise. When an item is legitimately purchased, the sales clerk is supposed to remove the sensor to ...Suppose that the number of accidents occurring in an industrial plant is described by a Poisson distribution with an average of one accident per month. Let x denote the time (in months) between successive accidents. a. Find ...Post your question

0