Exam 4: Probability and Probability Distributions

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What is the probability that a respondent chosen at random is a male?

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A function that associates a numerical value with each possible outcome of an uncertain event is called a:

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Suppose a randomly selected patron prefers wine. What is the probability the patron is a male?

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What is the probability that three customers are waiting in line?

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Probabilities that cannot be estimated from long-run relative frequencies of events are called:

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A small grocery store is considering installing an express checkout line. Let X be the number of customers in the regular checkout line. Note that these numbers include the customers being served, if any. The probability distribution of X is given in the table below. A small grocery store is considering installing an express checkout line. Let X be the number of customers in the regular checkout line. Note that these numbers include the customers being served, if any. The probability distribution of X is given in the table below.   -Find the probability that one customer is in the regular checkout line. -Find the probability that one customer is in the regular checkout line.

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The temperature of the room in which you are writing this test is a continuous random variable.

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What is the probability that a randomly selected patron is not male?

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The relative frequency of an event is the number of times the event occurs out of the total number of times the random experiment is run.

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What is the probability a randomly selected patron prefers wine?

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A discrete probability distribution:

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What is the probability a randomly selected patron is a female?

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If a new pipeline will be constructed in the event that all three wells are successful, what is the probability that the pipeline will be constructed?

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What is the probability that a household answered no?

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Suppose that the manufacturer of a particular product assesses the distribution of the demand for its product in the upcoming quarter as presented below. Use this information to answer the following questions. Demand (in units) Suppose that the manufacturer of a particular product assesses the distribution of the demand for its product in the upcoming quarter as presented below. Use this information to answer the following questions. Demand (in units)   -Find the expected demand (in units) for the upcoming quarter. -Find the expected demand (in units) for the upcoming quarter.

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How many females were interviewed?

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Football teams toss a coin to see who will get their choice of kicking or receiving to begin a game. The probability that given team will win the toss three games in a row is 0.125.

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The number of people entering a shopping mall on a given day is an example of a discrete random variable.

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If P(A and B) = 1, then A and B must be collectively exhaustive.

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What is the probability that the demand for this product will be less than 3500 units in the upcoming quarter?

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