Exam 4: Introduction to Probability

Assume your favorite football team has two games left to finish the season. The outcome of each game can be win, lose, or tie. The number of possible outcomes is _____.

(Multiple Choice)

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Question 21

The "Top Three" at a racetrack consists of picking the correct order of the first three horses in a race. If there are 10 horses in a particular race, how many "Top Three" outcomes are there?

(Multiple Choice)

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Question 22

The union of events A and B is the event containing _____.

(Multiple Choice)

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Question 23

If A and B are independent events with P(A) = .4 and P(B) = .6, then P(A ∩ B) = _____.

(Multiple Choice)

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Question 24

A method of assigning probabilities based upon judgment is referred to as the _____.

(Multiple Choice)

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Question 25

Each customer entering a department store will either buy or not buy some merchandise. An experiment consists of following three customers and determining whether or not they purchase any merchandise. The number of sample points in this experiment is _____.

(Multiple Choice)

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Question 26

Three applications for admission to a local university are checked to determine whether each applicant is male or female. The number of sample points in this experiment is _____.

(Multiple Choice)

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Question 27

If A and B are independent events with P(A) = 0.1 and P(B) = .4, then _____.

(Multiple Choice)

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Question 28

If P(A) = .5 and P(B) = .5, then P(A ∩ B) _____.

(Multiple Choice)

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Question 29

If A and B are independent events with P(A) = .4 and P(B) = .25, then P(A ∪ B) = _____.

(Multiple Choice)

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Question 30

If P(A ∩ B) = 0, _____.

(Multiple Choice)

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Question 31

When the results of experimentation or historical data are used to assign probability values, the method used to assign probabilities is referred to as the _____.

(Multiple Choice)

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Question 32

The probability of at least one head in two flips of a coin is _____.

(Multiple Choice)

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Question 33

A graphical device used for enumerating sample points in a multiple-step experiment is a _____.

(Multiple Choice)

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Question 34

Posterior probabilities are computed using _____.

(Multiple Choice)

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Question 35

Two events, A and B, are mutually exclusive and each has a nonzero probability. If event A is known to occur, the probability of the occurrence of event B is _____.

(Multiple Choice)

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Question 36

If A and B are independent events with P(A) = .05 and P(B) = .65, then P(A | B) = _____.

(Multiple Choice)

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Question 37

The probability of an intersection of two events is computed using the _____.

(Multiple Choice)

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Question 38

A(n) __________ is a collection of sample points.

(Multiple Choice)

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Question 39

If a fair penny is tossed three times and comes up heads all three times, the probability of heads on the fourth trial is _____.

(Multiple Choice)

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Question 40

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Exam 4: Introduction to Probability

Assume your favorite football team has two games left to finish the season. The outcome of each game can be win, lose, or tie. The number of possible outcomes is _____. ​

The "Top Three" at a racetrack consists of picking the correct order of the first three horses in a race. If there are 10 horses in a particular race, how many "Top Three" outcomes are there?

The union of events A and B is the event containing _____.

If A and B are independent events with P(A) = .4 and P(B) = .6, then P(A ∩ B) = _____.

A method of assigning probabilities based upon judgment is referred to as the _____.

Each customer entering a department store will either buy or not buy some merchandise. An experiment consists of following three customers and determining whether or not they purchase any merchandise. The number of sample points in this experiment is _____.

Three applications for admission to a local university are checked to determine whether each applicant is male or female. The number of sample points in this experiment is _____.

If A and B are independent events with P(A) = 0.1 and P(B) = .4, then _____.

If P(A) = .5 and P(B) = .5, then P(A ∩ B) _____.

If A and B are independent events with P(A) = .4 and P(B) = .25, then P(A ∪ B) = _____.

If P(A ∩ B) = 0, _____.

When the results of experimentation or historical data are used to assign probability values, the method used to assign probabilities is referred to as the _____.

The probability of at least one head in two flips of a coin is _____.

A graphical device used for enumerating sample points in a multiple-step experiment is a _____.

Posterior probabilities are computed using _____.

Two events, A and B, are mutually exclusive and each has a nonzero probability. If event A is known to occur, the probability of the occurrence of event B is _____.

If A and B are independent events with P(A) = .05 and P(B) = .65, then P(A | B) = _____.

The probability of an intersection of two events is computed using the _____.

A(n) __________ is a collection of sample points.

If a fair penny is tossed three times and comes up heads all three times, the probability of heads on the fourth trial is _____.

Data and Statistics

Descriptive Statistics: Tabular and Graphical Displays

Descriptive Statistics: Numerical Measures

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit, Independence, and Multiple Proportions

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters

Assume your favorite football team has two games left to finish the season. The outcome of each game can be win, lose, or tie. The number of possible outcomes is _____.