Year 8 Probability Revision

The Bargain Auto Mall has these cars in stock.  If a car is selected at random, find the probability that it is Foreign and mid-sized.

• 20/300
• 135/300
• 155/300
• 40/300

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CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

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

The chart below represents the number of marbles in a jar.
P(green) = 

• 5/19
• 10/28
• 5/14
• 17/38

Tags

CCSS.7.SP.C.5

Are the events mutually exclusive?
Rolling an even number or a multiple of 3 on a number cube

• Mutually Exclusive
• Not Mutually Exclusive

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

If I spin 35 times, how many times should the color yellow show up?

• 1
• 5
• 7
• 10

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CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

What is the probability of spinning an even number? 

• 16 2/3%
• 33 1/3%
• 50%
• 75%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

What is the relative frequency of getting HT?

• 3/10
• 1/10
• 2/5
• 1/2

Tags

CCSS.7.SP.A.2

CCSS.7.SP.C.5

CCSS.7.SP.C.6

What is the relative frequency of rolling a 3?

• 1/10
• 1/20
• 3/20
• 1/6

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7

A manufacturer inspects 50 computer monitors and finds that 45 have no defects.  If the manufacturer sells 20,000 computer monitors, predict the number that have no defects.

• 1000
• 2000
• 9000
• 18,000

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CCSS.7.RP.A.2

CCSS.7.RP.A.3

CCSS.7.SP.A.1

CCSS.7.SP.A.2

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