Q: Census reports for a city indicate that 62% of residents classify
Census reports for a city indicate that 62% of residents classify themselves as Christian, 12% as Jewish, and 16% as members of other religions (Muslims, Buddhists, etc.). The remaining residents clas...
See AnswerQ: You purchased a five-pack of new light bulbs that were
You purchased a five-pack of new light bulbs that were recalled because 6% of the lights did not work. What is the probability that at least one of your lights is defective?
See AnswerQ: For a sales promotion, the manufacturer places winning symbols under the
For a sales promotion, the manufacturer places winning symbols under the caps of 10% of all Pepsi bottles. You buy a six-pack. What is the probability that you win something?
See AnswerQ: On September 11, 2002, the first anniversary of the terrorist
On September 11, 2002, the first anniversary of the terrorist attack on the World Trade Center, the New York State Lottery daily number came up 9 11. An interesting coincidence or a cosmic sign? 1. Wh...
See AnswerQ: You shuffle a deck of cards and then start turning them over
You shuffle a deck of cards and then start turning them over one at a time. The first one is red. So is the second. And the third. In fact, you are surprised to get 10 red cards in a row. You start th...
See AnswerQ: Recent research suggests that 73% of Americans have a home phone
Recent research suggests that 73% of Americans have a home phone, 83% have a cell phone, and 58% of people have both. What is the probability that an American has 1. a home or cell phone? 2. neither a...
See AnswerQ: Suppose the probability that a U.S. resident has traveled
Suppose the probability that a U.S. resident has traveled to Canada is 0.18, to Mexico is 0.09, and to both countries is 0.04. What the probability that an American chosen at random has 1. traveled to...
See AnswerQ: Fast food is often considered unhealthy because much of it is high
Fast food is often considered unhealthy because much of it is high in both fat and sodium. But are the two related? Here are the fat and sodium contents of several brands of burgers. a) Analyze the as...
See AnswerQ: A check of dorm rooms on a large college campus revealed that
A check of dorm rooms on a large college campus revealed that 38% had refrigerators, 52% had TVs, and 21% had both a TV and a refrigerator. What the probability that a randomly selected dorm room has...
See AnswerQ: Employment data at a large company reveal that 72% of the
Employment data at a large company reveal that 72% of the workers are married, that 44% are college graduates, and that half of the college grads are married. What the probability that a randomly chos...
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