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Lesson Example Discussion Quiz: Class Homework

Quiz In Class

Title: Probability

Grade: 1300-a Lesson: S4-L3

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: in Class

Problem Id	Problem	Options
1	A total of 25 men registered for singing lessons. The frequency table shows how many of these singers have certain voice types. If one of these singers is selected at random, what is the probability he is a baritone? $1$	A) 0.4 B) 0.1 C) 0.6 D) 0.67
2	The table above shows the number of students from two different high schools who completed summer internships in each of five years. No student attended both schools. Of the students who completed a summer internship in 2010, which of the following represents the fraction of students who were from Valley High School? $2$	A) \$10/140\$ B) \$65/140\$ C) \$75/140\$ D) \$65/75\$
3	The table below shows the number of state parks in a certain state that contain camping facilities and bicycle paths. If one of these state parks is selected at random, what is the probability that it has camping facilities but does not have bicycle paths? $3$	A) \$8/28\$ B) \$5/25\$ C) \$5/37\$ D) \$5/9\$
4	The data on the coat color and eye color for 48 Himalayan kittens available for adoption were collected and summarized in the table above. What fraction of the chocolate-colored kittens has deep blue eyes? $4$	A) \$12/48\$ B) \$12/28\$ C) \$16/32\$ D) \$12/16\$
5	The table above shows the number of people working in a company’s Human Resources and Accounting departments and the highest level of education they have completed. A person from one of these departments is to be chosen at random. If the person selected works in the Human Resources department, what is the probability that the highest level of education the person completed is a master’s degree? $5$	A) \$8/15\$ B) \$1/4\$ C) \$2/15\$ D) \$1/3\$
6	A box contains 13 red pens and 37 blue pens. If one of these pens is selected at random, what is the probability of selecting a red pen? (Express your answer as a decimal or fraction, not as a percent.)	A) \$13/59\$ B) \$14/45\$ C) \$13/50\$ D) \$15/89\$
7	If 1,500 customers register for new accounts at a social media website every day, what fraction of the first 61,000 new accounts are registered in the first 5 days?	A) \$151/1220\$ B) \$150/1220\$ C) \$153/1220\$ D) \$155/1220\$
8	A fair six-sided die is rolled twice. What is the probability that the sum of the two numbers rolled is 7?	A) \$1/6\$ B) \$5/6\$ C) \$7/6\$ D) \$9/6\$
9	In a group of 50 people, 20 speak French, 25 speak Spanish, and 10 speak neither French nor Spanish. How many people speak both French and Spanish?	A) 6 B) 5 C) 7 D) 8
10	In a class, 60% of students like math, 40% like science, and 20% like both math and science. If a student is chosen at random, what is the probability that the student likes either math or science?	A) 1.36 B) 1.2 C) 0.8 D) 2.35

Problem Id

Problem

Options

A total of 25 men registered for singing lessons. The frequency table shows how many of these singers have certain voice types. If one of these singers is selected at random, what is the probability he is a baritone?

$1$

A) 0.4

B) 0.1

C) 0.6

D) 0.67

The table above shows the number of students from two different high schools who completed summer internships in each of five years. No student attended both schools. Of the students who completed a summer internship in 2010, which of the following represents the fraction of students who were from Valley High School?

$2$

A) \$10/140\$

B) \$65/140\$

C) \$75/140\$

D) \$65/75\$

The table below shows the number of state parks in a certain state that contain camping facilities and bicycle paths.

If one of these state parks is selected at random, what is the probability that it has camping facilities but does not have bicycle paths?

$3$

A) \$8/28\$

B) \$5/25\$

C) \$5/37\$

D) \$5/9\$

The data on the coat color and eye color for 48 Himalayan kittens available for adoption were collected and summarized in the table above. What fraction of the chocolate-colored kittens has deep blue eyes?

$4$

A) \$12/48\$

B) \$12/28\$

C) \$16/32\$

D) \$12/16\$

The table above shows the number of people working in a company’s Human Resources and Accounting departments and the highest level of education they have completed. A person from one of these departments is to be chosen at random. If the person selected works in the Human Resources department, what is the probability that the highest level of education the person completed is a master’s degree?

$5$

A) \$8/15\$

B) \$1/4\$

C) \$2/15\$

D) \$1/3\$

A box contains 13 red pens and 37 blue pens. If one of these pens is selected at random, what is the probability of selecting a red pen? (Express your answer as a decimal or fraction, not as a percent.)

A) \$13/59\$

B) \$14/45\$

C) \$13/50\$

D) \$15/89\$

If 1,500 customers register for new accounts at a social media website every day, what fraction of the first 61,000 new accounts are registered in the first 5 days?

A) \$151/1220\$

B) \$150/1220\$

C) \$153/1220\$

D) \$155/1220\$

A fair six-sided die is rolled twice. What is the probability that the sum of the two numbers rolled is 7?

A) \$1/6\$

B) \$5/6\$

C) \$7/6\$

D) \$9/6\$

In a group of 50 people, 20 speak French, 25 speak Spanish, and 10 speak neither French nor Spanish. How many people speak both French and Spanish?

A) 6

B) 5

C) 7

D) 8

In a class, 60% of students like math, 40% like science, and 20% like both math and science. If a student is chosen at random, what is the probability that the student likes either math or science?

A) 1.36

B) 1.2

C) 0.8

D) 2.35