﻿ Probability Worksheets - Page 24 | Problems & Solutions
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# Probability Worksheets - Page 24

Probability Worksheets
• Page 24
231.
A teacher chooses a student at random from a class of 50 boys. What is the probability that the student chosen is a boy?
 a. $\frac{1}{2}$ b. $\frac{1}{50}$ c. 1

Correct answer : (4)
232.
What is the probability of getting a sum of 4 when two dice are rolled?
 a. $\frac{1}{10}$ b. $\frac{1}{12}$ c. $\frac{1}{4}$ d. $\frac{1}{11}$

Correct answer : (2)
233.
A ball is chosen at random from 10 black balls. What is the probability of getting a black ball?
 a. $\frac{1}{2}$ b. 1 c. $\frac{1}{4}$ d. $\frac{1}{5}$

Correct answer : (2)
234.
There are 11 cone ice creams kept in the refrigerator. What is the probability of Lindsay choosing one out of them?
 a. 3 b. $\frac{1}{11}$ c. $\frac{1}{4}$ d. 1

Correct answer : (2)
235.
There are two 'true or false' type of questions on a test paper. Pick the tree diagram that represents all the possible answers to these questions.

 a. Tree diagram 4 b. Tree diagram 1 c. Tree diagram 2 d. Tree diagram 3

Correct answer : (3)
236.
A bag contains 3 yellow balls and 4 pink balls. Kay picked two balls one after the other. Which tree diagram shows all the possible outcomes?

 a. Tree diagram 2 b. Tree diagram 3 c. Tree diagram 4 d. Tree diagram 1

Correct answer : (2)
237.
What is the probability that Mary will select a blue marble from the marble jar?
 Color of the marble Number of marbles Yellow 15 Green 11 Red 14 Blue 13

 a. $\frac{13}{53}$ b. $\frac{13}{28}$ c. $\frac{15}{28}$ d. $\frac{15}{53}$

Correct answer : (1)
238.
There are 17 yellow balls, 17 green balls, and 17 purple balls in a bag. Choose the fraction that expresses the probability of selecting a yellow ball from the bag.
 a. $\frac{3}{4}$ b. $\frac{2}{3}$ c. $\frac{1}{4}$ d. $\frac{1}{3}$

Correct answer : (4)
239.
A card is selected from the deck of 52 cards. Use a fraction to express the probability of selecting a card from the black suit.
 a. $\frac{1}{4}$ b. $\frac{1}{3}$ c. $\frac{1}{2}$ d. $\frac{1}{5}$

Correct answer : (3)
240.
4 mathematics, 3 science, and 6 French books are arranged on a shelf. Use a fraction to express the probability of picking a mathematics book from the shelf.
 a. $\frac{1}{3}$ b. $\frac{5}{13}$ c. $\frac{1}{13}$ d. $\frac{4}{13}$