Math: Probability Theory and Ref
Study Guide for Probability
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. Which inequality represents the probability, x, of any event happening?
a.||c.||
b.||d.||
____ 2. Which event has a probability of zero?
a.|choosing a letter from the alphabet that has line symmetry|c.|choosing a pair of parallel lines that have unequal slopes|
b.|choosing a number that is greater than 6 and is even|d.|choosing a triangle that is both isosceles and right|
____ 3. Max goes through the cafeteria line and counts seven different meals and three different desserts that he can choose. Which expression can be used to determine how many different ways Max can choose a meal and a dessert?
a.||c.||
b.||d.||
____ 4. Ms. Bell's mathematics class consists of 4 sophomores, 10 juniors, and 5 seniors. How many different ways can Ms. Bell create a four-member committee of juniors if each junior has an equal chance of being selected?
a.|210|c.|5,040|
b.|3,876|d.|93,024|
____ 5. The bowling team at Lincoln High School must choose a president, vice president, and secretary. If the team has 10 members, which expression could be used to determine the number of ways the officers could be chosen?
a.||c.||
b.||d.||
____ 6. The faces of a cube are numbered from 1 to 6. If the cube is tossed once, what is the probability that a prime number or a number divisible by 2 is obtained?
a.||c.||
b.||d.||
____ 7. If the Math Olympiad Club consists of eighteen students, how many different teams of four students can be formed for competitions?
a.|66|c.|3,060|
b.|72|d.|73,440|
____ 8. A box contains 6 dimes, 8 nickels, 12 pennies, and 3 quarters. What is the probability that a coin drawn at random is not a dime?
a.||c.||
b.||d.||
____ 9. If the probability of a spinner landing on red in a game is , what is the probability of it not landing on red?
a.|20%|c.|50%|
b.|25%|d.|80%|
____
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 1. Which inequality represents the probability, x, of any event happening?
a.||c.||
b.||d.||
____ 2. Which event has a probability of zero?
a.|choosing a letter from the alphabet that has line symmetry|c.|choosing a pair of parallel lines that have unequal slopes|
b.|choosing a number that is greater than 6 and is even|d.|choosing a triangle that is both isosceles and right|
____ 3. Max goes through the cafeteria line and counts seven different meals and three different desserts that he can choose. Which expression can be used to determine how many different ways Max can choose a meal and a dessert?
a.||c.||
b.||d.||
____ 4. Ms. Bell's mathematics class consists of 4 sophomores, 10 juniors, and 5 seniors. How many different ways can Ms. Bell create a four-member committee of juniors if each junior has an equal chance of being selected?
a.|210|c.|5,040|
b.|3,876|d.|93,024|
____ 5. The bowling team at Lincoln High School must choose a president, vice president, and secretary. If the team has 10 members, which expression could be used to determine the number of ways the officers could be chosen?
a.||c.||
b.||d.||
____ 6. The faces of a cube are numbered from 1 to 6. If the cube is tossed once, what is the probability that a prime number or a number divisible by 2 is obtained?
a.||c.||
b.||d.||
____ 7. If the Math Olympiad Club consists of eighteen students, how many different teams of four students can be formed for competitions?
a.|66|c.|3,060|
b.|72|d.|73,440|
____ 8. A box contains 6 dimes, 8 nickels, 12 pennies, and 3 quarters. What is the probability that a coin drawn at random is not a dime?
a.||c.||
b.||d.||
____ 9. If the probability of a spinner landing on red in a game is , what is the probability of it not landing on red?
a.|20%|c.|50%|
b.|25%|d.|80%|
____