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

The mean and standard deviation of a population are 200 and 20, respectively. 
What is the probability of selecting 25 data values with a mean less than 190?

• 69%
• 0.6%
• 31%
• 99%

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

Find the value for
P(Z > 2.46)

• 0.00714
• 0.99305
• 0.00695
• 0.99286

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

Find the z-score such that 30% of the standard normal curve lies to the left of z. 

• -1.88
• 0.52
• -0.52
• 1.88

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

When a coin is flipped, what is the probability of heads?

• 1
• 1/2
• 1/4
• 1/100

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

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

What is the probability of rolling a cube and having it land as a six?

• 1/6
• 5/6
• 1/3
• 1/2

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

TEKS.MATH.7.6D

Decide whether the distribution is a probability distribution.

• Yes, it is a discrete probability distribution.
• No, it is not a discrete probability distribution.

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

The probability that a team wins the district championship is 20%. What are the odds in favor of the team winning?

• 1:4
• 4:1
• 1:5
• 5:1

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

78% of flights on major airlines arrive on time. A random sample was taken of 100 flights.

Find the probability that more than 70% of the 100 randomly selected flights are on time.

• 0.5077

• 0.0267

• 0.9999

• 0.9733

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

Find the probability that the spinner lands on Bonus Card when spun.

• 0.44

• 0.22

• 0.14

• 0.17

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