Question 1

Given the contingency table shown here,find P(W ∩S).

Accepted Answer

A) 0.12 
B) 0.30 
C) 0.40 
D) 0.58 
A) 0.12 
B) 0.30 
C) 0.40 
D) 0.58 A

Question 2

A sample space is the set of all possible outcomes in an experiment.

Accepted Answer

A) True 
 B)False  True

Question 3

Given the contingency table shown here,find P(V | S).

Accepted Answer

A) 0.2639 
B) 0.1900 
C) 0.0475 
D) 0.4144 
A) 0.2639 
B) 0.1900 
C) 0.0475 
D) 0.4144 B

Question 4

Independent events are mutually exclusive.

Accepted Answer

A) True 
 B)False

Question 5

Given the contingency table shown here,find P(A1 or B2).

Accepted Answer

A) 0.0933 
B) 0.3182 
C) 0.0300 
D) 0.3854 
A) 0.0933 
B) 0.3182 
C) 0.0300 
D) 0.3854

Question 6

The sum of all the probabilities of simple events in a sample space equals one.

Accepted Answer

A) True 
 B)False

Question 7

The value of 7! is 5040.

Accepted Answer

A) True 
 B)False

Question 8

The following table gives a classification of the 10,000 shareholders of Oxnard Xylophone Distributors,Inc.A few numbers are missing from the table.Given that a shareholder holding 500−999 shares is picked,there is a 0.625 probability that the shareholder will be a woman.Consequently,what is the number of men holding 1000 or more shares?

Accepted Answer

A) 1,000 
B) 250 
C) 7,500 
D) 500 
A) 1,000 
B) 250 
C) 7,500 
D) 500

Question 9

The value of 4P2 is

Accepted Answer

A) 8 
B) 6 
C) 24 
D) 12 
A) 8 
B) 6 
C) 24 
D) 12

Question 10

Given the contingency table shown here,find P(A2).

Accepted Answer

A) 0.1842 
B) 0.1766 
C) 0.8163 
D) 0.0578 
A) 0.1842 
B) 0.1766 
C) 0.8163 
D) 0.0578

Question 11

Given the contingency table shown here,find P(A2 | B3).

Accepted Answer

A) 0.0685 
B) 0.1893 
C) 0.3721 
D) 0.1842 
A) 0.0685 
B) 0.1893 
C) 0.3721 
D) 0.1842

Question 12

Given the contingency table shown here,what is the probability that a mother smoked during pregnancy and had a college degree?

Accepted Answer

A) 0.0111 
B) 0.0428 
C) 0.0803 
D) 0.2385 
A) 0.0111 
B) 0.0428 
C) 0.0803 
D) 0.2385

Question 13

Given the contingency table shown here,find P(B).

Accepted Answer

A) 0.85 
B) 0.25 
C) 0.45 
D) 0.22 
A) 0.85 
B) 0.25 
C) 0.45 
D) 0.22

Question 14

Given the contingency table shown here,what is the probability that a randomly chosen employee who is under age 25 would be absent 2 or more days?

Accepted Answer

A) 0.625 
B) 0.375 
C) 0.150 
D) 0.273 
A) 0.625 
B) 0.375 
C) 0.150 
D) 0.273

Question 15

The manager of Ardmore Pharmacy knows that 25 percent of the customers entering the store buy prescription drugs,65 percent buy over-the-counter drugs,and 18 percent buy both types of drugs.What is the probability that a randomly selected customer will buy at least one of these two types of drugs?

Accepted Answer

A) 0.90 
B) 0.85 
C) 0.72 
D) 0.65 
A) 0.90 
B) 0.85 
C) 0.72 
D) 0.65

Question 16

Ramjac Company wants to set up k independent file servers,each capable of running the company's intranet.Each server has average "uptime" of 98 percent.What must k be to achieve 99.999 percent probability that the intranet will be "up"?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 17

Given the contingency table shown here,find the probability P(V´),that is,the probability of the complement of V.

Accepted Answer

A) 0.30 
B) 0.50 
C) 0.80 
D) 0.15 
A) 0.30 
B) 0.50 
C) 0.80 
D) 0.15

Question 18

If event A occurs,then its complement (A´)will also occur.

Accepted Answer

A) True 
 B)False

Question 19

Given the contingency table shown here,what is the probability that a student attends a public school in a rural area?

Accepted Answer

A) 0.238 
B) 0.714 
C) 0.135 
D) 0.567 
A) 0.238 
B) 0.714 
C) 0.135 
D) 0.567

Question 20

Given the contingency table shown here,find P(A or M).

Accepted Answer

A) 0.2500 
B) 0.7500 
C) 0.6250 
D) 0.1250 
A) 0.2500 
B) 0.7500 
C) 0.6250 
D) 0.1250

Given the contingency table shown here,find P(W ∩S).

A sample space is the set of all possible outcomes in an experiment.

Given the contingency table shown here,find P(V | S).

Independent events are mutually exclusive.

Given the contingency table shown here,find P(A1 or B2).

The sum of all the probabilities of simple events in a sample space equals one.

The value of 7! is 5040.

The value of 4P2 is

Given the contingency table shown here,find P(A2).

Given the contingency table shown here,find P(A2 | B3).

Given the contingency table shown here,what is the probability that a mother smoked during pregnancy and had a college degree?

Given the contingency table shown here,find P(B).

Given the contingency table shown here,what is the probability that a randomly chosen employee who is under age 25 would be absent 2 or more days?

The manager of Ardmore Pharmacy knows that 25 percent of the customers entering the store buy prescription drugs,65 percent buy over-the-counter drugs,and 18 percent buy both types of drugs.What is the probability that a randomly selected customer will buy at least one of these two types of drugs?

Ramjac Company wants to set up k independent file servers,each capable of running the company's intranet.Each server has average "uptime" of 98 percent.What must k be to achieve 99.999 percent probability that the intranet will be "up"?

Given the contingency table shown here,find the probability P(V´),that is,the probability of the complement of V.

If event A occurs,then its complement (A´)will also occur.

Given the contingency table shown here,what is the probability that a student attends a public school in a rural area?

Given the contingency table shown here,find P(A or M).

Overview of Statistics

Data Collection

Describing Data Visually

Descriptive Statistics

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions and Estimation

One-Sample Hypothesis Tests

Two-Sample Hypothesis Tests

Analysis of Variance

Simple Regression

Multiple Regression

Chi-Square Tests

Filters

Exam 5: Probability

Given the contingency table shown here,find P(W ∩S).

A sample space is the set of all possible outcomes in an experiment.

Given the contingency table shown here,find P(V | S).

Independent events are mutually exclusive.

Given the contingency table shown here,find P(A1 or B2).

The sum of all the probabilities of simple events in a sample space equals one.

The value of 7! is 5040.

The value of 4P2 is

Given the contingency table shown here,find P(A2).

Given the contingency table shown here,find P(A2 | B3).

Given the contingency table shown here,what is the probability that a mother smoked during pregnancy and had a college degree?

Given the contingency table shown here,find P(B).

Given the contingency table shown here,what is the probability that a randomly chosen employee who is under age 25 would be absent 2 or more days?

The manager of Ardmore Pharmacy knows that 25 percent of the customers entering the store buy prescription drugs,65 percent buy over-the-counter drugs,and 18 percent buy both types of drugs.What is the probability that a randomly selected customer will buy at least one of these two types of drugs?

Ramjac Company wants to set up k independent file servers,each capable of running the company's intranet.Each server has average "uptime" of 98 percent.What must k be to achieve 99.999 percent probability that the intranet will be "up"?

Given the contingency table shown here,find the probability P(V´),that is,the probability of the complement of V.

If event A occurs,then its complement (A´)will also occur.

Given the contingency table shown here,what is the probability that a student attends a public school in a rural area?

Given the contingency table shown here,find P(A or M).

Overview of Statistics

Data Collection

Describing Data Visually

Descriptive Statistics

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions and Estimation

One-Sample Hypothesis Tests

Two-Sample Hypothesis Tests

Analysis of Variance

Simple Regression

Multiple Regression

Chi-Square Tests

Filters