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This printable supports Common Core Mathematics Standard 7.SP.C.5

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# Calculating Event Probability (Grade 7)

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## Calculating Event Probability

1.
What is the probability that the spinner will land on blue?
1. $P(blue) = 1/2$
2. $P(blue) = 1/3$
3. $P(blue) = 1/4$
4. $P(blue) = 1/6$

2.
What is the probability that the spinner will land on red or yellow?
1. $P(R or Y) = 1/2$
2. $P(R or Y) = 1/3$
3. $P(R or Y) = 2/3$
4. $P(R or Y) = 3/4$
3.
What is the probability that the spinner will land on a vowel?
1. $P(vowel) = 2/5$
2. $P(vowel) = 3/5$
3. $P(vowel) = 4/5$
4. $P(vowel) = 5/5$

4.
What is the probability that the spinner will land on 1 or 4?
1. $P(1 or 4) = 1/2$
2. $P(1 or 4) = 1/3$
3. $P(1 or 4) = 1/4$
4. $P(1 or 4) = 1/6$
5.
Kali rolls a six-sided number cube. What is the probability that the cube will land on a number less than 5?
1. $P(<5) = 1/4$
2. $P(<5) = 1/5$
3. $P(<5) = 2/3$
4. $P(<5) = 5/6$

6.
What is the probability that a six-sided number cube will land on an odd number?
1. $P(odd) = 1/2$
2. $P(odd) = 1/3$
3. $P(odd) = 1/6$
4. $P(odd) = 5/6$
7.
Which scenario for the spinner has the following probability of occurring?
$P(?) = 2/3$
1. The spinner lands on a number less than 2.
2. The spinner lands on a number less than 4.
3. The spinner lands on a number greater than 2.
4. The spinner lands on a number greater than 4.

8.
Which scenario for the spinner has the following probability of occurring?
$P(?) = 3/5$
1. The spinner lands on B.
2. The spinner lands on C or E.
3. The spinner lands on a vowel.
4. The spinner lands on a consonant.
9.
A bowl of fruit contains 2 pears, 4 oranges, and 6 apples. If 1 piece of fruit is randomly picked from the bowl, what is the probability that it will be an orange or an apple?
1. $P(O or A) = 1/6$
2. $P(O or A) = 2/6$
3. $P(O or A) = 3/6$
4. $P(O or A) = 5/6$

10.
Mrs. Flores has a shelf of magazines for her students to read. On the shelf are 6 sports magazines, 9 animal magazines, and 3 news magazines. If a student randomly selects 1 magazine from the shelf, what is the probability that it will be a magazine about animals or news?
1. $P(S or N) = 1/2$
2. $P(S or N) = 2/3$
3. $P(S or N) = 5/6$
4. $P(S or N) = 1/9$
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