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Probabiltiy

Authored by Byron Williams

Mathematics

8th Grade

CCSS covered

Used 3+ times

Probabiltiy
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35 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

An automobile dealer decides to select a month for its annual sale.  Find the probability that it will be September or October.

1/12
1/6
1/4
5/6

Tags

CCSS.7.SP.C.7A

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

At a community swimming pool there are 2 managers, 8 lifeguards, 3 concession stand clerks, and 2 maintenance people.  If a person is selected at random, find the probability that the person is either a lifeguard or a manager.

2/3
8/15
2/15
not enough information

Tags

CCSS.HSS.CP.B.7

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A recent study of 200 nurses found that of 125 female nurses, 56 had bachelor's degrees:  and of 75 male nurses, 34 had bachelor's degrees.  If a nurse is selected at random, find the probability that the nurse is a female or has a bachelor degree.

159/200
125/200
215/200
90/200

Tags

CCSS.HSS.CP.B.7

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A recent study of 200 nurses found that of 125 female nurses, 56 had bachelor's degrees:  and of 75 male nurses, 34 had bachelor's degrees.  If a nurse is selected at random, find the probability that the nurse selected is a male nurse with a bachelor's degree.

56/200
34/200
75/200
125/200

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

At a particular school with 200 male students, 58 play football, 40 play basketball, and 8 play both.  What is the probability that a randomly selected male student plays neither sport?

49/100
29/100
51/100
9/20

Tags

CCSS.HSS.CP.B.7

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In a statistics class there are 18 juniors and 10 seniors;  6 of the seniors are females, and 12 of the juniors are males.  If a student is selected at random, find the probability of selecting a junior or a female.

24/28
12/28
18/28
6/28

Tags

CCSS.HSS.CP.B.7

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

5/6
1/2
1/3
1/6

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