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DMR #13 (a) What is the probability that it you roll a die and get a 2? (b) What is the probability that you roll a 2 or a 3? (c) What is the probability that you roll a 1, 2, 3, 4, 5, or 6? (d) What is the probability that you roll a 7?

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DMR #14 An airline estimate that the probability that a random call to their reservation phone line results in a reservation being made is Describe what the Law of Large Numbers says in the context of this probability.

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DMR #15 An airline estimate that the probability that a random call to their reservation phone line results in a reservation being made is You want to estimate the probability that exactly one of the next 4 calls result in a reservation being made. Describe the design of a simulation to estimate this probability. Then carry out 5 trials of your simulation with the table of random digits:

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DMR #16

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DMR #17 A grocery store examines its shoppers’ product selection and calculates the following: The probability that a randomly-chosen shopper buys apples is 0.21, that the shopper buys potato chips is 0.36, and that the shopper buys both apples and potato chips is Sketch a Venn diagram or two-way table that summarizes these probabilities. P(buy apples or potato chips)= P(buy potato chips or doesn’t buy apples)= P(doesn’t buy apples and doesn’t buy potato chips)=

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DMR #18 An event A will occur with probability An event B will occur with probability The probability that both A and B will occur is The conditional probability of A, given B is… (a) 1/2 (b) 3/10 (c) 1/5 (d) 1/6 (e) cannot be determined from the info given

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DMR #19 Wile E. Coyote is pursuing the Road Runner across Great Britain toward Scotland. The Road Runner chooses his route randomly, such that there is a probability of 0.8 that he’ll take the high road and 0.2 that he’ll take the low road. If he takes the high road, the probability that Wile E. Coyote catches him is If he takes the low road, the probability he gets caught is Find the probability that he took the high road, given that he was caught.

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**DMR #20 New York Philharmonic Orchestra:**

You select one musician from this group at random. Which of the following statement is true about the events “plays a woodwind” and “male?”

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© 2010 Pearson Education, Inc. All rights reserved Chapter 9 9 Probability.

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