the chance that some event will occur.

What is the sample space?

orange, green, red, white, yellow

A certain brand of TV has a 50% chance of being defective. Which model could be used to determine the probability that when two TVs are chosen, they will both be defective?

spin a spinner with 50 equal sections

Samuel has 5 different colors of pens and 2 different colors of paper. Which model could be used to show how many different choices he has?

spin a spinner with 5 sections, then flip a coin

roll a die, then flip a coin 5 times

An ice cream parlor offers 15 different flavors of ice cream. Which model could be used to show how many different choices there are?

spin a spinner with 15 sections

A cereal company is placing one of 6 different tickets into its boxes of cereal. If each ticket is equally likely to appear in a box of cereal, which model could be used to simulate the tickets you would find in 50 boxes of cereal?

a number cube that is rolled 50 times

a coin that is flipped 50 times

a spinner that has 4 sections that is spun 50 times

a coin is flipped and a number cube is rolled 50 times

The Event is: "I spin this five-sided spinner". Which of these describes the sample space? (select all correct answers)

{Red, Purple, Green, Yellow, Pink}

The spinner is spun again. Select all the TRUE statements:

All outcomes are equally likely

If I spin it 100 times, I could get No Greens at all

If I spin 100 times, I would expect to get around 20 greens

Pink is the most likely outcome

I flip a regular coin twice, and record the number of Heads I get. Which of the following are TRUE - select all that apply:

The outcomes are random, but not all equally likely

The outcomes 0,1 and 2 are all equally likely.

Unit 8 Probability: 50-Question Practice Test (7th Grade)

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the probability of choose a red?

1/2

1/3

2/3

1/5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the probability of rolling a 6 on a standard number cube?

0%

16.7%

50%

100%

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the probability of tossing heads on a fair coin?

0

0.25

0.50

1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is an outcome?

The result of an experiment

The chance or likelihood of an event

A fraction, decimal, or a percent

An activity that gives various results

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the P( not purple) on this spinner?

2/5

1/5

4/5

3/5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the probability of rolling a 7 on a standard number cube.

0.167

1.167

0

1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the probability of spinning green?

0%

25%

50%

75%

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Unit 8 Probability

What is the probability of choose a red?

What is the probability of rolling a 6 on a standard number cube?

What is the probability of tossing heads on a fair coin?

What is an outcome?

What is the P( not purple) on this spinner?

Find the probability of rolling a 7 on a standard number cube.

What is the probability of spinning green?

What is the probability of spinning red?

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”?

The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing a letter that is a vowel?

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