Probability Worksheets

**Page 19**

181.

Assuming that a coin dropped from a height falls on the tile shown, what are the odds in favor of coin falling on the colored region?

a. | 1 : 2 | ||

b. | 1 : 3 | ||

c. | 1 : 1 | ||

d. | 1 : 4 |

Correct answer : (3)

182.

A box consists cards labeled numbers 1 through 10. A card is drawn at random and replaced. Then a second card is drawn. Find the probability that the first number drawn is 5 and the second number is 10.

a. | 0.2 | ||

b. | 1 | ||

c. | 0.01 | ||

d. | 0.1 |

Correct answer : (3)

183.

Two coins are tossed. Find the probability of getting 2 tails.

a. | $\frac{1}{4}$ | ||

b. | $\frac{1}{2}$ | ||

c. | 1 |

Correct answer : (1)

184.

Paul had 8 nickels, 5 dimes and 3 quarters in a bag. He pulled out 2 coins at random from the bag. What is the probability that one is a dime and the other is a nickel?

a. | $\frac{1}{30}$ | ||

b. | $\frac{1}{6}$ | ||

c. | $\frac{1}{2}$ | ||

d. | $\frac{1}{3}$ |

Correct answer : (2)

185.

A box consists of 5 white and 4 black balls. A ball is selected at random and is not replaced. A second ball is selected. Find the probability that the first one is white and the second one is black.

a. | 1 | ||

b. | $\frac{1}{3}$ | ||

c. | $\frac{6}{11}$ | ||

d. | $\frac{5}{18}$ |

Correct answer : (4)

186.

A box contains 20 cards labeled 1 through 20. One card is drawn from it at random. What is the probability of getting an odd number and the odds in favor of getting an odd number?

a. | $\frac{1}{10}$ and 1 : 2 | ||

b. | $\frac{9}{10}$ and 1 : 2 | ||

c. | $\frac{1}{2}$ and 1 : 1 | ||

d. | $\frac{2}{5}$ and 1 : 1 |

Correct answer : (3)

187.

A die is rolled. Find the probability of the event of getting an even number.

a. | $\frac{1}{4}$ | ||

b. | $\frac{1}{3}$ | ||

c. | $\frac{1}{2}$ | ||

d. | $\frac{1}{6}$ |

Correct answer : (3)

188.

Lauren has 6 dollars, 4 nickels, and 8 dimes in her purse. What is the probability of her selecting a dime from her purse?

a. | $\frac{1}{10}$ | ||

b. | $\frac{4}{9}$ | ||

c. | $\frac{8}{9}$ | ||

d. | $\frac{1}{18}$ |

Correct answer : (2)

189.

William randomly picks up a marble from a basket containing 38 marbles. What is the probability of William picking up a burgundy marble if there are 5 burgundy marbles in the basket?

a. | 10.13% | ||

b. | 13% | ||

c. | 15% | ||

d. | 1.3% |

Correct answer : (2)

190.

The two events A and B are mutually exclusive and P(A) = 0.25 and P(B) = 0.5. Find P(A$\cup $B).

a. | 0.5 | ||

b. | 0.75 | ||

c. | 0.3 | ||

d. | 0.25 |

Correct answer : (2)