Back to Details Practice: Develop and use probability models to find probabilities of simple events. (NC.7.SP.7) Open in Editor

Practice: Develop and use probability models to find probabilities of simple events. (NC.7.SP.7)

Targeted remediation practice

            📚 Mathematics
                            🎓 Grade 7
                                        ⏱️ 25 minutes
                    

Learning Objectives

Develop and use probability models to find probabilities of simple events.

            Progress
            4 sections
        

1
Practice set 1

Question 1

A bag has 8 marbles, 5 of them red. What is the theoretical probability of drawing a red marble?

$\frac{5}{8}$
$\frac{8}{5}$
$\frac{3}{8}$
$\frac{5}{3}$

Question 2

A bag has 6 marbles, 5 of them red. What is the theoretical probability of drawing a red marble?

$5$
$\frac{6}{5}$
$\frac{1}{6}$
$\frac{5}{6}$

Question 3

A bag has 8 marbles, 3 of them red. What is the theoretical probability of drawing a red marble?

$\frac{3}{5}$
$\frac{3}{8}$
$\frac{5}{8}$
$\frac{8}{3}$

Question 4

A bag has 9 marbles, 3 of them red. What is the theoretical probability of drawing a red marble?

$\frac{1}{2}$
$\frac{2}{3}$
$\frac{1}{3}$
$3$

Question 5

A bag has 6 marbles, 5 of them red. What is the theoretical probability of drawing a red marble?

$\frac{5}{6}$
$\frac{6}{5}$
$\frac{1}{6}$
$5$

2
Practice set 2

Question 6

A bag has 6 marbles, 2 of them red. What is the theoretical probability of drawing a red marble?

$\frac{1}{3}$
$\frac{2}{3}$
$3$
$\frac{1}{2}$

Question 7

A bag has 10 marbles, 3 of them red. What is the theoretical probability of drawing a red marble?

$\frac{7}{10}$
$\frac{10}{3}$
$\frac{3}{7}$
$\frac{3}{10}$

Question 8

A bag has 5 marbles, 3 of them red. What is the theoretical probability of drawing a red marble?

$\frac{5}{3}$
$\frac{3}{5}$
$\frac{3}{2}$
$\frac{2}{5}$

Question 9

A bag has 4 marbles, 2 of them red. What is the theoretical probability of drawing a red marble?

$\frac{3}{2}$
$2$
$\frac{1}{2}$
$1$

Question 10

A bag has 9 marbles, 4 of them red. What is the theoretical probability of drawing a red marble?

$\frac{4}{9}$
$\frac{9}{4}$
$\frac{5}{9}$
$\frac{4}{5}$

3
Practice set 3

Question 11

A bag has 5 marbles, 2 of them red. What is the theoretical probability of drawing a red marble?

$\frac{2}{3}$
$\frac{3}{5}$
$\frac{5}{2}$
$\frac{2}{5}$

Question 12

A bag has 5 marbles, 2 of them red. What is the theoretical probability of drawing a red marble?

$\frac{5}{2}$
$\frac{2}{3}$
$\frac{2}{5}$
$\frac{3}{5}$

Question 13

A bag has 10 marbles, 4 of them red. What is the theoretical probability of drawing a red marble?

$\frac{2}{5}$
$\frac{5}{2}$
$\frac{3}{5}$
$\frac{2}{3}$

Question 14

A bag has 10 marbles, 5 of them red. What is the theoretical probability of drawing a red marble?

$\frac{3}{2}$
$\frac{1}{2}$
$2$
$1$

Question 15

A bag has 4 marbles, 2 of them red. What is the theoretical probability of drawing a red marble?

$1$
$2$
$\frac{3}{2}$
$\frac{1}{2}$

4
Practice set 4

Question 16

A bag has 8 marbles, 5 of them red. What is the theoretical probability of drawing a red marble?

$\frac{3}{8}$
$\frac{5}{8}$
$\frac{5}{3}$
$\frac{8}{5}$

Question 17

A bag has 10 marbles, 1 of them red. What is the theoretical probability of drawing a red marble?

$\frac{1}{9}$
$\frac{9}{10}$
$10$
$\frac{1}{10}$

Question 18

A bag has 10 marbles, 4 of them red. What is the theoretical probability of drawing a red marble?

$\frac{3}{5}$
$\frac{2}{5}$
$\frac{2}{3}$
$\frac{5}{2}$

Question 19

A bag has 9 marbles, 5 of them red. What is the theoretical probability of drawing a red marble?

$\frac{5}{4}$
$\frac{5}{9}$
$\frac{9}{5}$
$\frac{4}{9}$

Question 20

A bag has 6 marbles, 5 of them red. What is the theoretical probability of drawing a red marble?

$5$
$\frac{6}{5}$
$\frac{5}{6}$
$\frac{1}{6}$

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