Probability and Statistics Challenge

Probability and Statistics Challenge

8th Grade

15 Qs

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Probability and Statistics Challenge

Probability and Statistics Challenge

Assessment

Quiz

Others

8th Grade

Practice Problem

Hard

Created by

Oluwasegun S Akinniyi

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the probability of rolling a sum of 7 with two dice?

1/4

1/8

1/12

1/6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the mean of a data set is 20 and the sum of the numbers is 100, how many numbers are in the data set?

6

10

4

5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a class of 30 students, 18 are girls. What is the probability of randomly selecting a boy?

0.5

0.4

0.6

0.3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the median of the following data set: 3, 7, 9, 12, 15?

7

12

15

9

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a bag contains 4 red, 5 blue, and 6 green marbles, what is the probability of picking a blue marble?

3/4

2/5

1/2

1/3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A survey shows that 60% of students prefer online classes. If 50 students are surveyed, how many prefer online classes?

40

50

20

30

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mode of the following data set: 2, 3, 4, 4, 5, 5, 5, 6?

6

5

3

4

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