Question 1

A professor rolls a fair, six-sided die. Using the classical method of probability, what is the probability that at least three spots will be showing up on the die?

Accepted Answer

A)  1/2 
B)  2/3 
C)  1/3 
D)  1/6 
A)  1/2 
B)  2/3 
C)  1/3 
D)  1/6

Question 2

If P(A) = .62, P(B) = .47, and P(A ∪ B) = .88; then P(A ∩ B) =

Accepted Answer

A)  .291 
B)  1.970 
C)  .670 
D)  .210 
A)  .291 
B)  1.970 
C)  .670 
D)  .210

Question 3

If P(A) = .62, P(B) = .56, and P(A ∪ B) = .70, then P(B | A) = _____.

Accepted Answer

A)  .4800 
B)  .7742 
C)  .9032 
D)  Not enough information is given to answer this question. 
A)  .4800 
B)  .7742 
C)  .9032 
D)  Not enough information is given to answer this question.

Question 4

If a coin is tossed three times, the likelihood of obtaining three heads in a row is _____.

Accepted Answer

A)  0 
B)  .500 
C)  .875 
D)  .125 
A)  0 
B)  .500 
C)  .875 
D)  .125

Question 5

The sample space refers to _____.

Accepted Answer

A)  any particular experimental outcome 
B)  the sample size minus 1 
C)  the set of all possible experimental outcomes 
D)  both any particular experimental outcome and the set of all possible experimental outcome 
A)  any particular experimental outcome 
B)  the sample size minus 1 
C)  the set of all possible experimental outcomes 
D)  both any particular experimental outcome and the set of all possible experimental outcome

Question 6

If P(A) = .6, P(B) = .3, and P(A ∩ B) = .2, then P(B | A) =_____.

Accepted Answer

A)  .33 
B)  .5 
C)  .67 
D)  .9 
A)  .33 
B)  .5 
C)  .67 
D)  .9

A professor rolls a fair, six-sided die. Using the classical method of probability, what is the probability that at least three spots will be showing up on the die?

If P(A) = .62, P(B) = .47, and P(A ∪ B) = .88; then P(A ∩ B) =

If P(A) = .62, P(B) = .56, and P(A ∪ B) = .70, then P(B | A) = _____.

If a coin is tossed three times, the likelihood of obtaining three heads in a row is _____.

The sample space refers to _____.

If P(A) = .6, P(B) = .3, and P(A ∩ B) = .2, then P(B | A) =_____.

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

Exam 4: Introduction to Probability

A professor rolls a fair, six-sided die. Using the classical method of probability, what is the probability that at least three spots will be showing up on the die?

If P(A) = .62, P(B) = .47, and P(A ∪ B) = .88; then P(A ∩ B) =

If P(A) = .62, P(B) = .56, and P(A ∪ B) = .70, then P(B | A) = _____.

If a coin is tossed three times, the likelihood of obtaining three heads in a row is _____.

The sample space refers to _____.

If P(A) = .6, P(B) = .3, and P(A ∩ B) = .2, then P(B | A) =_____.

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