SOL REVIEW 8.PS,1 Understanding Probability: Events

Tags

VA.8.PS.1.c

If you draw two cards from a deck without replacement, what is the probability that both cards are aces?

Which of the following statements is true about independent events?

• The occurrence of one event affects the occurrence of the other.

• The occurrence of one event does not affect the occurrence of the other.

• Both events must occur simultaneously.

• Both events cannot occur simultaneously.

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VA.8.PS.1.a

What is the probability of rolling a 3 on a six-sided die and flipping a head on a coin?

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VA.8.PS.1.c

If two events are dependent, how does the probability of the second event change?

• It remains the same.

• It increases.

• It decreases.

• It depends on the outcome of the first event.

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VA.8.PS.1.b

A bag contains 5 red balls and 3 blue balls. If two balls are drawn one after the other without replacement, what is the probability that both balls are red?

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VA.8.PS.1.d

Which of the following pairs of events are independent?

• Drawing two cards from a deck without replacement.

• Tossing a coin and rolling a die.

• Choosing two marbles from a bag without replacement.

• Selecting two students from a class without replacement.

Tags

VA.8.PS.1.a

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VA.8.PS.1.c

How does replacement affect the probability of dependent events?

• It makes the events independent.

• It increases the probability of the second event.

• It decreases the probability of the second event.

• It does not affect the probability of the second event.

Tags

VA.8.PS.1.a

A jar contains 4 green, 5 yellow, and 6 red marbles. If two marbles are drawn one after the other without replacement, what is the probability that both are yellow?

Tags

VA.8.PS.1.d