TEKS.MATH.7.6D

A number cube is rolled twice. What is the probability of getting a 6 on the first roll, then a number less than 5 on the second roll? 

• 2/3
• 5/36
• 1/9
• 1/36

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TEKS.MATH.7.6D

A chorus has 50 girls and 35 boys. If two are chosen at random to sing a duet, what is the probability that both will be boys? 

• 1/6
• 7/17
• 3/8
• 13/25

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TEKS.MATH.7.6D

Theoretical P(Black)

• 1/2

• 1/12

• 5/12

• 0

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TEKS.MATH.7.6D

A number cube labeled 1 to 6 is rolled 450 times.  Which is the best prediction for the number of times that the number cube will land on a number less than 3?

• about 150 times
• exactly 150 times
• about 225 times
• about 225 times

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TEKS.MATH.7.6D

You have a jar of marbles with 7 red, 12 blue, 6 yellow, and 9 white. What is the probability of selecting a marble that is not red, replacing it and then one that is white?

• 9/68

• 5/34

• 63/1156

• 27/34

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TEKS.MATH.7.6D

A bag contains:

-5 red marbles

-6 blue marbles

-3 green marbles

-4 black marbles

-2 yellow marbles

A marble will be drawn from the bag and replaced 100 times. What is a reasonable prediction for the number of times a green or black marble will be drawn?

• 14

• 65

• 7

• 35

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TEKS.MATH.7.6D

In a box there are 3 red pens, 2 green pens, and 1 blue pen. What is the probability of picking a red pen, replacing it, and then picking a green pen?

• 1/2
• 4/11
• 1/6
• 2/3

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TEKS.MATH.7.6D

One of the 6 numbers is a 3. Spinning a 3 is...

• impossible

• unlikely

• as likely as not

• likely

• certain

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TEKS.MATH.7.6D

What is the probability of spinning an even number?

• 16 2/3%

• 33 1/3%

• 50%

• 75%

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TEKS.MATH.7.6D

What is the probability that you will get mushrooms on your pizza?

• 2_/10

• 2

• 2_/5

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TEKS.MATH.7.6D