TEKS.MATH.7.6D

A certain brand of TV has a 50% chance of being defective. Which model could be used to determine the probability that when two TVs are chosen, they will both be defective?

• spin a spinner with 4 equal sections
• roll a die twice
• flip a coin twice
• flip a coin, then roll a die

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TEKS.MATH.7.6D

Theoretical Probability is?

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

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TEKS.MATH.7.6D

A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced. P(purple then black)

• 1/18
• 2/5
• 3/7
• 4/9

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TEKS.MATH.7.6D

There are 15 girls and 13 boys in 6th period. If Coach Mullins randomly selects a member of 6th period, what is the probability that she will select a boy?

• 13/15

• 1/2

• 15/40

• 13/28

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TEKS.MATH.7.6D

If the probability of an event is 0.99, which of the following best describes the event?

• The event will never occur

• There is a small chance that the event will occur

• The event is likely to occur

• The event will definitely occur

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TEKS.MATH.7.6D

The probability of picking a quarter from a jar of coins is 0.125. If Daniel has 250 coins in the jar, about how many quarters are in the jar?

• 25

• 30

• 35

• 40

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TEKS.MATH.7.6D

There are 15 pieces of fruit in a basket, including 3 oranges. What is the probability that a randomly selected piece of fruit will be an orange?

• 1/5

• 3/5

• 5/15

• 3/10

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TEKS.MATH.7.6D

Which of the following has a certain likelihood of occurring?

• A field goal will be made by the kicker

• There is a 70% of rain on Monday

• Next month has at least 29 days

• A coin will land on either heads or tails

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TEKS.MATH.7.6D

What is the probability when Sue will randomly select from a treat bag containing 6 lollipops and 4 gum balls. Sue will select a treat, not replace it, and then select a second treat. Find P(gumball then lollipop)

• 1/24

• 4/15

• 1/100

• 2/10

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TEKS.MATH.7.6D

P(red) =

• 2

• 2/12

• 1/6

• 12

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TEKS.MATH.7.6D