# Question: 5 90 Refer to the contingency table shown below a Calculate each

5.90 Refer to the contingency table shown below.

(a) Calculate each probability (ivi) and explain in words what it means.

(b) Do you see evidence that smoking and race are not independent? Explain.

(c) Do the smoking rates shown here correspond to your experience?

(d) Why might public health officials be interested in this type of data? (Data are from Statistical Abstract of the United States, 2001, pp. 12 and 16.

i. P(S)

ii. P(W )

iii. P(S | W)

iv. P(S | B)

v. P(S and W)

vi. P(N and B)

(a) Calculate each probability (ivi) and explain in words what it means.

(b) Do you see evidence that smoking and race are not independent? Explain.

(c) Do the smoking rates shown here correspond to your experience?

(d) Why might public health officials be interested in this type of data? (Data are from Statistical Abstract of the United States, 2001, pp. 12 and 16.

i. P(S)

ii. P(W )

iii. P(S | W)

iv. P(S | B)

v. P(S and W)

vi. P(N and B)

## Answer to relevant Questions

Analysis of forecasters' interest rate predictions over the period 19821990 was intended to see whether the predictions corresponded to what actually happened. The 2 3 2 contingency table below shows the frequencies of ...Which of the following could not be probability distributions? Explain. The Rejuvo Corp. manufactures granite countertop cleaner and polish. Quarterly sales Q is a random variable with a mean of 25,000 bottles and a standard deviation of 2,000 bottles. Variable cost is $8 per unit and fixed cost ...List the X values that are included in each italicized event. a. You can miss at most 2 quizzes out of 16 quizzes (X = number of missed quizzes). b. You go to Starbuck's at least 4 days a week (X = number of Starbuck's ...Calculate each binomial probability: a. Fewer than 4 successes in 12 trials with a 10 percent chance of success. b. At least 3 successes in 7 trials with a 40 percent chance of success. c. At most 9 successes in 14 trials ...Post your question