Applying Probability to Make Informed Decisions

Applying Probability to Make Informed Decisions

7th Grade

10 Qs

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Applying Probability to Make Informed Decisions

Applying Probability to Make Informed Decisions

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

Created by

Barbara White

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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Based on the results shown in the table, how many white marbles would one expect to draw in a total of 50 draws? (hint:set up a proportion)

2

5

10

20

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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The bar graph shows the results of spinning the spinner 200 times. What is the experimental probability of landing on a 4 ?

Media Image
Media Image
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Media Image

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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The table shows the results of 50 rolls of a number cube. According to the data in the table, what would be the experimental probability of rolling a 4 if you rolled the number cube 170 times? (hint: set up a proportion)

51

45

15

48

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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Neil tossed a 6-sided die 90 times. The results of his tosses are recorded in the table below: If Neil tossed the die 135 times, predict the experimental probability of rolling the number 3? (hint:set up a proportion)

21

45

28

14

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Ichiro has a set of 20 cards that each show a different number, as shown. Ichiro will randomly select one of these cards. What is the probability that the card he selects will be a prime number? (a prime # is a number that can only be divided evenly by 1 or itself). 

8/12
1/8
8/20
10/20

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Jillian rolled a number cube 360 times. About how many times do you expect her to roll a 2?

20 
180
60 
120

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

150 people were polled on their favorite sport. Based on the table, if you asked only 25 people what their favorite sport is, how many would say soccer is their favorite sport?

5 people

6 people

8 people

10 people

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