Gr 11 Math Ch 10: Dependent and Inependent Events

What is the formula for the probability of two independent events A and B occurring?

P(A) × P(B) (correct)

P(A) - P(B)

P(A) / P(B)

P(A) + P(B)

If two events are mutually exclusive, what is the probability of both events occurring?

P(A) × P(B)

1

P(A) + P(B)

0 (correct)

What is the formula for the probability of event A occurring given that event B has occurred?

P(A and B) / P(B) (correct)

P(A) × P(B)

P(A) / P(B)

P(A) + P(B)

What is the formula for the probability of two dependent events A and B occurring?

P(A) × P(B|A) Signup and view all the answers

What is the formula for the probability of event A or event B occurring, when they are not mutually exclusive?

P(A) + P(B) - P(A and B) Signup and view all the answers

Which of the following events describes two events that cannot occur at the same time?

Mutually exclusive events Signup and view all the answers

What is the probability of event A and event B occurring if they are dependent?

P(A) × P(B | A) Signup and view all the answers

If P(A) = 0.4 and P(B) = 0.6, and A and B are independent events, what is P(A and B)?

0.24 Signup and view all the answers

If P(A or B) = 0.7 and P(A and B) = 0.2, what is P(A) + P(B)?

0.9 Signup and view all the answers

What is the term for the probability of event A occurring given that event B has occurred?

Conditional probability Signup and view all the answers

If the probability of event A occurring is 0.3 and the probability of event B occurring is 0.5, and they are dependent events, what is the minimum possible value of P(A and B)?

0.0 Signup and view all the answers

If events A and B are mutually exclusive, which of the following statements is always true?

P(A) + P(B) = P(A and B) Signup and view all the answers

If P(A) = 0.4 and P(A | B) = 0.8, what is the maximum possible value of P(B)?

0.8 Signup and view all the answers

If events A and B are independent, which of the following statements is always true?

P(A | B) = P(A) Signup and view all the answers

If P(A or B) = 0.9 and P(A and B) = 0.4, what is the maximum possible value of P(A) + P(B)?

1.5 Signup and view all the answers

Gr 11 Math Ch 10: Dependent and Inependent Events

Questions and Answers

What is the formula for the probability of two independent events A and B occurring?

If two events are mutually exclusive, what is the probability of both events occurring?

What is the formula for the probability of event A occurring given that event B has occurred?

What is the formula for the probability of two dependent events A and B occurring?

What is the formula for the probability of event A or event B occurring, when they are not mutually exclusive?

Which of the following events describes two events that cannot occur at the same time?

What is the probability of event A and event B occurring if they are dependent?

If P(A) = 0.4 and P(B) = 0.6, and A and B are independent events, what is P(A and B)?

If P(A or B) = 0.7 and P(A and B) = 0.2, what is P(A) + P(B)?

What is the term for the probability of event A occurring given that event B has occurred?

If the probability of event A occurring is 0.3 and the probability of event B occurring is 0.5, and they are dependent events, what is the minimum possible value of P(A and B)?

If events A and B are mutually exclusive, which of the following statements is always true?

If P(A) = 0.4 and P(A | B) = 0.8, what is the maximum possible value of P(B)?

If events A and B are independent, which of the following statements is always true?

If P(A or B) = 0.9 and P(A and B) = 0.4, what is the maximum possible value of P(A) + P(B)?

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