Exam 4: Probability and Counting Rules
Exam 1: The Nature of Probability and Statistics47 Questions
Exam 2: Frequency Distributions and Graphs73 Questions
Exam 3: Data Description73 Questions
Exam 4: Probability and Counting Rules85 Questions
Exam 5: Discrete Probability Distributions69 Questions
Exam 6: The Normal Distribution81 Questions
Exam 7: Confidence Intervals and Sample Size75 Questions
Exam 8: Hypothesis Testing83 Questions
Exam 9: Testing the Difference Between Two Means, Two Variances, and Two Proportions70 Questions
Exam 10: Correlation and Regression63 Questions
Exam 11: Other Chi-Square Tests47 Questions
Exam 12: Analysis of Variance54 Questions
Exam 13: Nonparametric Statistics63 Questions
Exam 14: Sampling and Simulation58 Questions
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A compound event consists of two or more outcomes or simple events.
(True/False)
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A jar contains four white marbles, five red marbles, and six black marbles. If a marble were selected at random, the probability that it is white or black would be
.

(True/False)
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If a card is drawn from an ordinary deck of cards, and then a second card is drawn from the same deck without replacing the first card, these two events are ________________.
(Short Answer)
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A probability experiment has two steps. There are two possible results for the first step, call them "A" and "B". If the result for the first step was "A", then there would be 4 possible results for the second step. If the result for the first step was "B", then there would be 15 possible results for the second step. How many possible outcomes are there for this experiment?
(Multiple Choice)
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If five cards are drawn from a deck of cards without replacement, what is the probability that at least one of the cards is a heart?
(Short Answer)
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According to popular belief, 80% of adults enjoy drinking beer. Choose a group of 4 adults at random. The probability that all of them enjoy drinking beer is:
(Multiple Choice)
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The statement, "The probability that a certain sports team will win it's next game is about 60%," is an example of
(Multiple Choice)
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How many different ways can 5 brands of soda be displayed on a supermarket's shelf, one at a time in a row?
(Multiple Choice)
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If 30 tickets are sold and 2 prizes are to be awarded, find the probability that one person will win both prizes if that person buys exactly 2 tickets.
(Multiple Choice)
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In a second grade class containing 13 girls and 9 boys, 2 students are selected at random to give out the math papers. What is the probability that the second student chosen is a boy, given that the first one was a girl?
(Multiple Choice)
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Box A contains the numbers 1, 2, 3, and 4. Box B contains the numbers 5, 6, 7, and 8. A number is first drawn from Box A and then another number from Box B. Using the figure below, how many outcomes are possible if both numbers are even? 

(Multiple Choice)
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There are __________ possible ways that eight pictures can be hung along a wall.
(Short Answer)
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A coin is tossed 5 times. Find the probability that all 5 tosses are tails.
(Multiple Choice)
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A box contains blue chips and red chips. A person selects two chips without replacement. If the probability of selecting a blue chip and a red chip is
, and the probability of selecting a blue chip on the first draw is
, find the probability of selecting the red chip on the second draw, given that the first chip selected was a blue chip.


(Multiple Choice)
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When the outcome of event A does not affect the probability of the outcome of a subsequent event B, then the events are said to be dependent.
(True/False)
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If two dice are rolled one time, find the probability of getting a sum less than 5.
(Multiple Choice)
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There are 2,368 possible ways that a committee of eight people can be selected from a group of 14 people.
(True/False)
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A bookcase contains 2 statistics books and 5 biology books. If 2 books are chosen at random, the chance that both are statistics books is
(Multiple Choice)
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A business has seven locations to choose from and wishes to rank only the top three locations. How many different ways can this be done?
(Multiple Choice)
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