# Question

The random variable Y is the number of color television sets owned by a randomly selected household with annual income between $15,000 and $29,999. Its probability distribution is as follows.

a. Find and interpret the mean of the random variable.

b. Obtain the standard deviation of the random variable by using one of the formulas given in Definition 5.10 on page 219.

c. Draw a probability histogram for the random variable; locate the mean; and show one-, two-, and three-standard-deviation intervals.

a. Find and interpret the mean of the random variable.

b. Obtain the standard deviation of the random variable by using one of the formulas given in Definition 5.10 on page 219.

c. Draw a probability histogram for the random variable; locate the mean; and show one-, two-, and three-standard-deviation intervals.

## Answer to relevant Questions

A bowl contains 12 poker chips-3 red, 4 white, and 5 blue. If one of these poker chips is selected at random from the bowl, what is the probability that its color is a. Red? b. Red or white? c. Not white? The Federal Communications Commission publishes a semiannual report on providers and services for Internet access titled High Speed Services for Internet Access. The report published in March 2008 included the following ...Let X be the value of a randomly selected decimal digit, that is, a whole number between 0 and 9, inclusive. a. Use simulation to estimate the mean of X. Explain your reasoning. b. Obtain the exact mean of X by applying ...n = 5, p = 0.6, P(X = 3) a. The binomial probability formula, Formula 5.4 Round your probability answers to three decimal places. b. Table VII in Appendix A. Compare your answer here to that in part (a). The U.S. Census Bureau publishes data on housing units in American Housing Survey for the United States. The following table provides a frequency distribution for the number of rooms in U.S. housing units. The frequencies ...Post your question

0