TEKS.MATH.7.6D

Which of the following expressions can be used to calculate the probability of two related events occurring?

• P(event) x 2
• P(event 1) +   P(event 2)
• P(event 1) x     P(event 2)
• P(event 1 + 2)

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TEKS.MATH.7.6D

There are 12 girls and 16 boys in a diving class.  One student is randomly selected to dive first.  What is the probability that the student selected to dive first is a girl?

• 3/8
• 3/7
• 4/7
• 3/4

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TEKS.MATH.7.6D

A bag contains 30 pieces of candy. There are 15 grape, 7 cherry, 3 lemon, 5 strawberry. What is the probability of drawing a lemon?

• 3
• 1/10
• 3/10
• 30%

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TEKS.MATH.7.6D

TEKS.MATH.6.5B

Two marbles are drawn from a container in such a way that the first marble drawn is replaced before selecting the second marble. Does the outcome of the first draw affect the outcome of the second?

• Yes
• No

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TEKS.MATH.7.6D

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

• 3/10
• 3/9
• 1/9
• 1/3

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TEKS.MATH.7.6D

TEKS.MATH.6.4B

Emily spins a spinner divided into 5 equal sections.  Two sections are blue, two are green, and one is white.  Which is most likely? 

• Emily will spin white.
• Emily will spin white or green.
• Emily will spin blue or green. 
• Emily will spin green. 

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TEKS.MATH.7.6D

There are 4 black marbles and 2 white marbles in a bag, what is the probability of choosing a black marble, not replacing it and then choosing white.

• 4/15
• 3/17
• 2/5
• 2/19

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TEKS.MATH.7.6D

Deon has 7 white chips, 5 red chips, and 8 blue chips in a bag. Without looking, Deon pulls a chip out, records the color, and puts it back in the bag. He does this 200 times. About how many times could Deon expect to pull out a blue chip?

• 25

• 65

• 80

• 100

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TEKS.MATH.7.6D

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

• 3/10

• 3/6

• 1/9

• 1/3

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TEKS.MATH.7.6D

TEKS.MATH.6.4B

You draw a marble from a bag that has 4 red, 2 blue, and 3 green, you also flip a fair coin. What is the probability you will draw a blue marble and flip a heads?

• 1/9

• 3/9

• Susan 2

• 5/6

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TEKS.MATH.7.6D