Probability Questions & Answers

Probability Questions & Answers 1 / 120 - ANSWER: A gambler places a bet on a horse race. To win, she must pick the top three finishers in any order. Ten horses of equal ability are entered in the race. Assuming the horses finish in a random order, what is the probability that the gambler will win? 1 / 120 - ANSWER: A politician is about to give a campaign speech and is holding a stack of six cue cards, of which the first three are the most important. Just before the speech, she drops all of the cards and picks them up in a random order. What is the probability that cards #1, #2, and #3 are still in order on the top of the stack? 1 / 1716 - ANSWER: A chemistry lab requires students to identify chemical compounds by using various tests. Each student is given samples of three different compounds, labeled A, B, and C. Each student is also given a list of thirteen possible compounds. If a student does not perform the tests and randomly chooses three from the list, what is the probability that he guesses all three correctly? 1 / 20 - ANSWER: A car dealership has five cars in the lot. Unfortunately, the keys to the cars have been nixed up. The manager randomly grabs a key and tries to start a car. A salesman also randomly picks a different key and tries to start another car. What is the probability that both card start?.................................