Question 1

Considering the chart below, what is the probability that if you select one person at random that
They have committed a violent crime and were under 20 years of age?

Accepted Answer

18%

Question 2

Each salesperson in a large department store chain is rated with respect to sales potential for
Advancement. These traits for the 500 salespeople were cross-classiﬁed into the following table: 
What is the probability that the selected salesperson has a fair potential for advancement, given
That they have a below average ability?

Accepted Answer

16/50

Question 3

Considering the chart below, what is the probability that if you select one person at random that
They have committed a violent crime and were under 20 or over 40 years of age?

Accepted Answer

50.00%

Question 4

You take a trip by air that involves three independent ﬂights. If there is a 90 percent chance each
Speciﬁc leg of the trip is done on time, what is the probability all three ﬂights are late?

Accepted Answer

0.001

Question 5

Each salesperson in a large department store chain is rated with respect to sales potential for
Advancement. These traits for the 500 salespeople were cross-classiﬁed into the following table: 
What is the probability that the selected salesperson has average sales ability?

Accepted Answer

150/500

Question 6

Considering the chart below, what is the probability that if you select one person at random that
They have committed a violent crime and were at least 20 years of age?

Accepted Answer

36.7%

Question 7

Information on the 30 Major League Baseball teams for the 2013 season has been summarized
Based on game attendance. What is the probability that if a team is selected at random, it had a
Winning season?

Accepted Answer

18/30

Question 8

Information on the 30 Major League Baseball teams for the 2003 season has been summarized
Based on game attendance. What is the probability that if a team is selected at random had
Attendance of more than 3.0 million, that it had a winning season?

Accepted Answer

4/5

Question 9

The customer service department of H&R Block received a total of 235 telephone requests for a tip-
Sheet on personal tax or corporate tax. The following table summarizes callers' primary area of
Interest, and how they ﬁrst heard about the tip-sheet. 
What is the probability a caller is interested in personal tax given that he ﬁrst heard of the tip-sheet
In the newspaper?

Accepted Answer

20/90

Question 10

Considering the chart below, what is the probability that if you select one person at random that
They have committed a violent crime and were over 40 years of age?

Accepted Answer

9.3%

Question 11

Each salesperson in a large department store chain is rated with respect to sales potential for
Advancement. These traits for the 500 salespeople were cross-classiﬁed into the following table: 
What is the probability that the selected salesperson has below average sales ability and has a fair
Potential for advancement?

Accepted Answer

16/500

Question 12

Each salesperson in a large department store chain is rated with respect to sales potential for
Advancement. These traits for the 500 salespeople were cross-classiﬁed into the following table: 
What is the probability that the selected salesperson has below average sales ability or has a fair
Potential for advancement?

Accepted Answer

188/500

Question 13

Information on the 30 Major League Baseball teams for the 2003 season has been summarized
Based on game attendance. What is the probability that if a team is selected at random, it had a
Winning season or attendance of more than 3.0 million?

Accepted Answer

19/30

Question 14

Considering the chart below, what is the probability that if you select one person at random that
They have committed a nonviolent crime?

Accepted Answer

45.3%

Question 15

The customer service department of H&R Block received a total of 235 telephone requests for a tip-
Sheet on personal tax or corporate tax. The following table summarizes callers' primary area of
Interest, and how they ﬁrst heard about the tip-sheet. 
What is the probability a caller became aware of the tip-sheet either by radio or newspaper given
Her primary interest is corporate tax?

Accepted Answer

106/135

Question 16

A tire manufacturer truthfully advertises that "the average life of our new all-season radial tire is
100,000 kilometres." You purchase four of these tires. What is the probability that all four tires will
Wear out before traveling 100,000 kilometres?

Accepted Answer

1/16 or 0.0625.

Question 17

You take a trip by air that involves three independent ﬂights. If there is a 90 percent chance each
Speciﬁc leg of the trip is done on time, what is the probability all three ﬂights arrive on time?

Accepted Answer

0.729

Question 18

Each salesperson in a large department store chain is rated with respect to sales potential for
Advancement. These traits for the 500 salespeople were cross-classiﬁed into the following table: 
What is the probability that the selected salesperson has above average sales ability?

Accepted Answer

300/500

Question 19

Considering the chart below, what is the probability that if you select one person at random that
They have committed a violent crime?

Accepted Answer

54.7%

Question 20

Information on the 30 Major League Baseball teams for the 2003 season has been summarized
Based on game attendance. What is the probability that if a team is selected at random, it had a
Losing season and drew attendance of less than 2.0 million?

Accepted Answer

19/30

Quiz 4: Describing Data: Displaying and Exploring Pata

Considering the chart below, what is the probability that if you select one person at random that They have committed a violent crime and were under 20 years of age?

Considering the chart below, what is the probability that if you select one person at random that They have committed a violent crime and were under 20 or over 40 years of age?

You take a trip by air that involves three independent ﬂights. If there is a 90 percent chance each Speciﬁc leg of the trip is done on time, what is the probability all three ﬂights are late?

Each salesperson in a large department store chain is rated with respect to sales potential for Advancement. These traits for the 500 salespeople were cross-classiﬁed into the following table: What is the probability that the selected salesperson has average sales ability?

Considering the chart below, what is the probability that if you select one person at random that They have committed a violent crime and were at least 20 years of age?

Information on the 30 Major League Baseball teams for the 2013 season has been summarized Based on game attendance. What is the probability that if a team is selected at random, it had a Winning season?

Information on the 30 Major League Baseball teams for the 2003 season has been summarized Based on game attendance. What is the probability that if a team is selected at random had Attendance of more than 3.0 million, that it had a winning season?

Considering the chart below, what is the probability that if you select one person at random that They have committed a violent crime and were over 40 years of age?

Information on the 30 Major League Baseball teams for the 2003 season has been summarized Based on game attendance. What is the probability that if a team is selected at random, it had a Winning season or attendance of more than 3.0 million?

Considering the chart below, what is the probability that if you select one person at random that They have committed a nonviolent crime?

A tire manufacturer truthfully advertises that "the average life of our new all-season radial tire is 100,000 kilometres." You purchase four of these tires. What is the probability that all four tires will Wear out before traveling 100,000 kilometres?

You take a trip by air that involves three independent ﬂights. If there is a 90 percent chance each Speciﬁc leg of the trip is done on time, what is the probability all three ﬂights arrive on time?

Each salesperson in a large department store chain is rated with respect to sales potential for Advancement. These traits for the 500 salespeople were cross-classiﬁed into the following table: What is the probability that the selected salesperson has above average sales ability?

Considering the chart below, what is the probability that if you select one person at random that They have committed a violent crime?

Information on the 30 Major League Baseball teams for the 2003 season has been summarized Based on game attendance. What is the probability that if a team is selected at random, it had a Losing season and drew attendance of less than 2.0 million?