# Question

In a USA Today Snapshot (June 1, 2009), the following statistics were reported on the number of hours of sleep that adults get.

a. Are there any other values that the number of hours can attain?

b. Explain why the total of the percentages is not 100%.

c. Is this a discrete probability distribution? Is it a probability distribution? Explain.

a. Are there any other values that the number of hours can attain?

b. Explain why the total of the percentages is not 100%.

c. Is this a discrete probability distribution? Is it a probability distribution? Explain.

## Answer to relevant Questions

Verify that formulas (5.3a) and (5.3b) are equivalent to formula (5.2). The College Board website provides much information for students, parents, and professionals with respect to the many aspects involved in Advanced Placement (AP) courses and exams. One particular annual report provides the ...a. Draw a histogram of the probability distribution for the single-digit random numbers 0, 1, 2, . . . , 9. b. Calculate the mean and standard deviation associated with the population of single-digit random numbers. c. ...Evaluate each of the following. Use the probability function for three coin tosses as demonstrated on page 239 and verify the probabilities for x _ 0, 2 and 3.Post your question

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