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Question

A card is chosen at random from a standard deck of 52 playing cards. What is the probability (in percent) of choosing a card that is not a club?

A
55%
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B
65%
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C
70%
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D
75%
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Solution

The correct option is D 75%
Total number of cards in a standard deck =52
Number of clubs in the standard deck =13

P(choosing a club)=Number of clubs in the deckTotal number of cards in the deck

P(choosing a club)=1352=13×113×4=14

We know,
P(not choosing a club)=1-P(choosing a club)

P(not choosing a club)=114
P(not choosing a club)=4414

P(not choosing a club)=414=34=0.75

P(not choosing a club) in percent=0.75×100=75%

The probability of NOT choosing a club from a standard deck of 52 cards is 34 or 75%.

Hence, option (d.) is the correct choice.

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