Probability of Independent Events

Question 1 • *CR CCSS Math 2 S2 [M2960OX]

Which statement is correct regarding independent events?

Answer

Two events are independent if they have no outcomes in common and cannot occur at the same time.

Two events are independent if they have outcomes in common and can occur at the same time.

Two events are independent if the outcome of the first event does not affect the outcome of the second event.

Two events are independent if the outcome of the first event affects the outcome of the second event.

Explanation

Independent events are events where the occurrence of one does not change the probability that the other occurs. So the outcome of the first event does not affect the outcome of the second. Choice C states this correctly; choice A describes mutually exclusive events, which cannot happen at the same time.

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