# Question: Find the standard score z such that the area below

Find the standard score z such that the area below the mean and above z under the normal curve is

a. 0.3212.

b. 0.4788.

c. 0.2700.

a. 0.3212.

b. 0.4788.

c. 0.2700.

**View Solution:**## Answer to relevant Questions

Given that z is the standard normal variable, find the value of k such that a. .P(|z| > 1.68) = k. b. P(|z| < 2.15) = k. The 70-year long-term record for weather shows that for New York State, the annual precipitation has a mean of 39.67 inches and a standard deviation of 4.38 inches [Department of Commerce; State, Regional and National ...A soft drink vending machine can be regulated so that it dispenses an average of m oz of soft drink per cup. a. If the ounces dispensed per cup are normally distributed with a standard deviation of 0.2 oz, find the setting ...A company asserts that 80% of the customers who purchase its special lawn mower will have no repairs during the first two years of ownership. Your personal study has shown that only 70 of the 100 lawn mowers in your sample ...Find the area under the standard normal curve between - 1.39 and the mean, P(_1.39Post your question