Unit 7 probability: 7th Grade

There are 14 tiles with one letter from the word MATHEMATICIANS on each. Find the probability of randomly choosing the letter "M".

• 1/2

• 1/7

• 1/14

• 2/7

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CCSS.7.SP.C.5

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There are 14 tiles with one letter from the word MATHEMATICIANS on each. Find the probability of randomly choosing a vowel.

• 2/3

• 5/14

• 1/2

• 3/7

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CCSS.7.SP.C.5

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A bag contains 8 blue marbles, 7 green marbles, and 5 yellow marbles. Without looking you reach into the bag and draw one marble. What is the probability of drawing a blue? P(blue)

• 3/5

• 7/20

• 1/4

• 2/5

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

A bag contains 8 blue marbles, 7 green marbles, and 5 yellow marbles. Suppose you drew one marble from the bag above, replaced it and then drew a second marble. What is the probability of drawing a black marble, and then a green? P(black, green)

• 7/50

• 0

• 1

• 1/10

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CCSS.7.SP.C.5

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A jar of coins has 8 pennies, 5 nickels, 1 dime, and 7 quarters. Aaron and Adelle do not agree what the probability of drawing a quarter, replacing it, and drawing another quarter is. P(quarter, quarter). Who is correct?

• Aaron says the probability is 1/9

• Adelle says the probability is 1/10

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

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A basket of fruit and vegetables is shown below. Belle and Bryan disagree on what the probability of selecting a vegetable, replacing it, and then selecting a fruit is. P(vegetable, fruit). Who is correct?

• Bryan says the probability is 35/128

• Belle says the probability is 15/64

Tags

CCSS.7.SP.C.5

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In order to win a prize, you must spin the same result on all three spinners. Which section has the greatest probability of winning?

• Stars

• Polka dots

• Solids

• Stripes

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CCSS.7.SP.C.5

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A drawer of office supplies is shown below. What is the probability of selecting a binder clip, replacing it and then selecting a paper clip?

• 9/50

• 1/2

• 21/100

• 6/25

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CCSS.7.SP.C.5

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Probability of:

Spinning a 3

Drawing an A

• 2/8

• 1/4

• 1/16

• 1/8

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CCSS.7.SP.C.5

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Probability of:
Spinning a 1
Drawing an A

• 1/4
• 3/8
• 4/12
• 3/32

Tags

CCSS.7.SP.C.5