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1) A basket contains 3 red and 2 yellow apples. Two apples are chosen at random. Find the following probabilities:
a) P(one red, one yellow) b) P(at least one red)
2) A card is drawn from a standard deck. Find the following probabilities:
a) P(a jack or a king) b) P(a jack or a spade)
3) Mrs. Rossetti is flying from San Francisco to New York. On her way to the San Francisco Airport she encounters heavy traffic and determines that there is a 20% chance that she will be late to the airport and will miss her flight. Even if she makes her flight, there is a 10% chance that she will miss her connecting flight at Chicago. What is the probability that she will make it to New York as scheduled?
4) At a college, twenty percent of the students take history, thirty percent take math, and ten percent take both. What percent of the students take at least one of these two courses?
1 answer
1 answer