# Question: Use the estimated probability distribution in Exercise 5 8 to calculate

Use the estimated probability distribution in Exercise 5.8 to calculate μ σ2x , and. σx

## Answer to relevant Questions

Consider the figure given in the margin. Find the value k that makes the function f(x) a valid continuous probability distribution. Refer to Exercise 6.14 and find the probability that the observed May rainfall will fall within two standard deviations of the mean May rainfall. Suppose that the random variable x is normally distributed with mean μ = 500 and standard deviation σ = 100. For each of the following, use the normal table to find the needed value k. In each case, draw a sketch. a. P(x ...Recall from Exercise 6.28 that yearly returns on common stocks are normally distributed with a mean of 12.4 percent and a standard deviation of 20.6 percent. a. What percentage of yearly returns are at or below the 10th ...An advertising agency conducted an ad campaign aimed at making consumers in an Eastern state aware of a new product. Upon completion of the campaign, the agency claimed that 20 percent of consumers in the state had become ...Post your question