TEKS.MATH.9-12.V.B.1

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement.P(both marbles are purple)

• 2/9
• 1/3
• 1/2
• 1/4

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TEKS.MATH.9-12.V.B.1

TEKS.MATH.9-12.V.B

If one of the seniors from the sample is selected at random, which of the following is the closest to the probability the student selected science as his or her favorite high school subject?

• 0.48
• 0.26
• 0.32
• 0.15

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TEKS.MATH.9-12.V.B.1

Of the mechanical engineers, what is the probability that math is their favorite subject?

• 1.91
• 52%
• 17%
• 35%

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TEKS.MATH.9-12.V.B.1

TEKS.MATH.8.11C

If I flip a coin 10 times, how many times should I get heads?

• 1
• 10
• 3
• 5

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TEKS.MATH.9-12.V.B.1

Find the value for 
P(Z < -0.39)

• 0.3498
• 0.3483
• 0.3501
• 0.6502

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TEKS.MATH.9-12.V.B.1

TEKS.MATH.9-12.V.B

Suppose a number cube is rolled twice. What is the probability that an odd number will show both times?

• 1/3
• 1/2
• 1/6
• 1/4

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TEKS.MATH.9-12.V.B.1

TEKS.MATH.7.6D

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

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TEKS.MATH.9-12.V.B.1

Draw one card from a standard deck. Find P(ace of diamonds)

• 1/13

• 1/4

• 4/13

• 1/52

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TEKS.MATH.9-12.V.B.1

According to government data, 22 percent of children in the United States under the age of 6 years live in households with incomes that are classified at a particular income level. A simple random sample of 300 children in the United States under the age of 6 years was selected for a study of learning in early childhood. If the government data are correct, which of the following best approximates the probability that at least 27 percent of the children in the sample live in households that are classified at the particular income level? (Note: z represents a standard normal random variable.)

• 
• 
• 
• 
• 

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TEKS.MATH.9-12.V.B.1

A bag has 3 red marbles, 2 blue, 4 green and 1 yellow. What is the theoretical probability of pulling a red?

• 3/10

• 3/9

• 1/9

• 1/3

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TEKS.MATH.9-12.V.B.1