# Question

In a national survey conducted by the Centers for Disease Control to determine college students’ health-risk behaviors, college students were asked, “How often do you wear a seatbelt when driving a car?” The frequencies appear in the following table:

Response ........ Frequency

Never ........ 118

Rarely ........ 249

Sometimes ..... 345

Most of the time .... 716

Always ........ 3093

(a) Construct a probability model for seatbelt use by a driver.

(b) Is it unusual for a college student to never wear a seatbelt when driving a car? Why?

Response ........ Frequency

Never ........ 118

Rarely ........ 249

Sometimes ..... 345

Most of the time .... 716

Always ........ 3093

(a) Construct a probability model for seatbelt use by a driver.

(b) Is it unusual for a college student to never wear a seatbelt when driving a car? Why?

## Answer to relevant Questions

A police ofﬁcer randomly selected 642 police records of larceny thefts. The following data represent the number of offenses for various types of larceny thefts. Type of Larceny Theft .... Number of Offenses Pocket picking ...On October 5, 2001, Barry Bonds broke Mark McGwire’s home-run record for a single season by hitting his 71st and 72nd home runs. Bonds went on to hit one more home run before the season ended, for a total of 73. Of the 73 ...Describe the difference between classical and empirical probability. Find P(E and F) if P(E or F) = 0.6. Find the probability of the indicated event if P(E) = 0.25 and P(F) = 0.45. A standard deck of cards contains 52 cards, as shown in Figur. One card is randomly selected from the deck. (a) Compute the probability of randomly selecting a heart or club from a deck of cards. (b) Compute the probability ...Post your question

0