Answers Integrated Math II CR SUSD EX Probability of Independent Events — QuizQuestion 9

9

QuizMultiple Choice

Probability of Independent Events — Quiz

Question 9 • Integrated Math II CR SUSD (EX)

Which is a pair of independent events?

Answer

A

choosing one calendar date for sports practice and then choosing a back-up date

B

choosing a first place and then a second place work of art

C

choosing one card from a deck and then choosing one card from another deck

D

choosing a pen to write with in class and then choosing another to let a friend use

Explanation

Events are independent when the outcome of one does not change the probabilities for the other. Choosing a card from one deck does not affect the cards in a separate deck, so the chance of each card in the second draw stays the same. Thus, choosing a card from each of two decks is the independent pair.

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