Probability

The probability of it raining today is 30%.  What is the probability that it will NOT rain?

• 30%
• 70%
• 100%
• 0%

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CCSS.7.SP.C.5

Is the spinner more likely or less likely to land on green than yellow?

• more likely
• less likely

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

P(not A) = 
*Remember to simplify.*

• 6/8
• 3/4
• 2/8
• 1/4

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

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

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

A piggy bank contains 4 quarters, 18 dimes, 10 nickels, and 8 pennies. A coin is chosen at random, not replaced, then another is chosen. Find each probability.

P (penny, then dime).

• 1/8

• 9/100

• 6/65

• 17/195

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Find the probability of each set of independent events.

rolling a six on the first roll of a 1-6 number cube and rolling an odd number on the second roll of the same cube.

• 1/12

• 1/6

• 1/8

• 1/2

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A standard die is rolled twice. Find each probability.

P (even, then less than 5)

• 1/2

• 1/3

• 2/3

• 1/9

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A fruit basket contains
9 apples, 3 bananas, 7 oranges, 5 pears, and 1 grapefruit. Kyle randomly chooses a fruit, does not replace it, then chooses another. What is the probably that he chose two pears? 

• 9/49
• 4/125
• 1/10
• 1/30

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Theoretical Probability is?

• What Should happen
• What does happen
• What Will Happen
• What I want to Happen

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CCSS.7.SP.C.5

Experimental Probability is:

• What Will happen 
• What actually happens
• What should happen
• What I think Happens

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7