Simple Complement Probability

Simple Complement Probability

7th Grade

14 Qs

quiz-placeholder

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Simple Complement Probability

Simple Complement Probability

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Anthony Clark

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

P(not A) = 
*Remember to simplify.*

6/8

3/4

2/8

1/4

Answer explanation

To find P(not A), subtract P(A) from 1. Since P(A) = 1/4, P(not A) = 1 - 1/4 = 3/4. Therefore, the correct answer is 3/4.

2.

DROPDOWN QUESTION

1 min • 1 pt

A box contains 4 red pencils, 6 blue pencils, 5 black pencils, and 3 green pencils. The best description of the likelihood of selecting a blue pencil at random from the box is ​​​ (a)   . ​ ​

unlikely

impossible

equally likely

likely

certain

Answer explanation

The best description of the likelihood of selecting a blue pencil at random from the box is unlikely because there are only 6 blue pencils out of a total of 18 pencils in the box.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following best describes the likelihood of the spinner landing on a number less than 6?

impossible

unlikely

equally likely

likely

certain

Answer explanation

The likelihood of the spinner landing on a number less than 6 is 'likely' because there are 5 numbers less than 6 on the spinner, making it a probable outcome.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The likelihood that an event will occur

Outcome

Probability

Experiment

Certain

Answer explanation

The likelihood that an event will occur is referred to as Probability, making it the correct choice among the options provided.

5.

LABELLING QUESTION

1 min • 5 pts

Please label the Probability number line.

a
b
c
d
e

Certain

Likely

Unlikely

Impossible

Equally Likely

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which of the following best describes the likelihood of the spinner landing on an even number?

impossible

unlikely

equally likely

likely

certain

Answer explanation

The spinner landing on an even number is equally likely because there are an equal number of even and odd numbers on a standard spinner.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following expressions would be used to calculate the complement of an event occurring?

P(event) - 1

P(event 1) x    P(event 2)

P(event)/possible outcomes

1 - P(event)

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