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Probability Worksheets
• Page 21
201.
A die is rolled. Find the probability of rolling a 2 or 4. a. $\frac{1}{2}$ b. $\frac{1}{6}$ c. $\frac{1}{3}$ d. $\frac{2}{3}$

#### Answer: (c)

Correct answer : (3)
202.
What is the probability of selecting a head when a coin is tossed, if the probability of selecting a tail is $\frac{1}{2}$? a. 1 b. $\frac{1}{2}$ c. $\frac{1}{4}$ d. $\frac{2}{6}$

#### Answer: (b)

Correct answer : (2)
203.
What is the probability of not selecting a number 4 when a number cube is rolled, if the probability of selecting a number 4 is $\frac{1}{6}$? a. 1 b. $\frac{5}{6}$ c. $\frac{2}{6}$ d. $\frac{1}{6}$

#### Answer: (b)

Correct answer : (2)
204.
Which of the following are complementary events? a. getting a number that is a multiple of 2, or a number that is a multiple of 3, when a number cube is rolled b. getting a number greater than 2 or a number greater than 3, when a number cube is rolled c. picking a marble from a bag containing only red and yellow marbles d. picking a Jack or a Spade from a pack of playing cards

#### Answer: (c)

Correct answer : (3)
205.
Terry is choosing a marble from a bag containing 1 black marble, 1 brown marble, and 1 white marble. What is the probability that he will not choose a brown marble? a. $\frac{2}{3}$ b. $\frac{3}{2}$ c. $\frac{1}{3}$ d. 1

#### Answer: (a)

Correct answer : (1)
206.
Johnny rolled a number cube. What is the probability of NOT getting a 4? a. $\frac{1}{6}$ b. 1 c. $\frac{5}{6}$ d. $\frac{2}{6}$

#### Answer: (c)

Correct answer : (3)
207.
In a piggy bank, 12 out of 20 coins are nickels. A coin is drawn from the piggy bank and is not replaced. A second coin is then drawn. Which expression helps you to find the probability that both the coins are nickels? a. $\frac{12}{20}$ + $\frac{8}{12}$ b. $\frac{12}{20}$ × $\frac{11}{19}$ c. $\frac{12}{20}$ × $\frac{11}{12}$ d. $\frac{12}{20}$ × $\frac{12}{19}$

#### Answer: (b)

Correct answer : (2)
208.
Three coins are tossed. Find P(H, H, H). a. $\frac{1}{6}$ b. $\frac{1}{2}$ c. $\frac{1}{4}$ d. $\frac{1}{8}$

#### Answer: (d)

Correct answer : (4)
209.
Henry draws a card from a pack of cards and also throws a die. What is the probability of Henry drawing a king and getting a number less than 4? a. $\frac{25}{26}$ b. $\frac{5}{26}$ c. $\frac{1}{26}$ d. $\frac{3}{26}$

#### Answer: (c)

Correct answer : (3)
210.
The probability that a red card is picked from a standard deck of 52 cards is 0.5. The probability of picking a red card with an ace is 0.04. What is the probability that a card picked from the deck turns out to be an ace given that the card is red? a. 0.04 b. 0.5 c. 0.27 d. 1

#### Answer: (a)

Correct answer : (1)

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