Estimating Probabilities of Compound Events

Estimating Probabilities of Compound Events

7th Grade

20 Qs

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Estimating Probabilities of Compound Events

Estimating Probabilities of Compound Events

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Hard

Created by

Anthony Clark

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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

A 7th grade student surveyed 25 students at her school. She asked them how many hours a week they spend playing a sport or game outdoors. What is the probability of the students answering 3 hours?

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Based on the bar graph, what is the probability that a dog is a person's favorite pet?

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A random selection will be made from a bag containing different colored disks. Of the 25 disks in the bag, 5 are yellow. It is ___________ that a yellow disk will be randomly selected from the bag.

Unlikely

Likely

Impossible

Certain

Equally Likely

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A sock drawer has 5 pairs of white, 4 pairs of black and 6 pairs of multicolored socks. What is the probability that you choose a white pair, black pair, then a multicolor pair (throwing each pair onto the floor after choosing it)?

1/5 x 1/4 x 1/6

5/15 x 4/15 x 6/15

5/15 x 4/14 x 6/13

1/15 x 1/15 x 1/15

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What is the probability of drawing a blue color and a number 4?

2/5

1/6

3/15

1/15

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The sample space tree diagram for a team of three students is shown.  What is the probability that the team would consist of at least 2 girls?

½

¾

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You are going to spin a spinner 3 times (that has the spaces A, B, C, D). What is the probability of spinning B on all 3 times? (Set up of work)

1/4 x 1/4 x 1/4

1/4 x 3

4 x 4 x 4

3/4 x 3/4 x 3/4

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