Mr. Pak's 생활영어(22)

Nick'sgranpa 2015.06.27 10:39 조회 수 : 1738

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<제 017 회> 확률

 

[문] :

샘은 정확히 합이 $1.00인, 50개의 코인이 들어있는 지갑을 가지고 있었다.

 

불행히도 그것들을 세는 동안에

그는 코인 한 개를 라디에이터 뒤에 떨어뜨렸다.

 

그것이 페니였을 확률은 얼마일까요?

 

보기 :

가) 70 % 나) 75 " 다) 80 " 라) 85 "

 

[답] ( )

-----------------------* 정답은 “자게판 박 서방의 퀴즈(22)”에 있습니다.

.

[Q] :

Sam had a coin purse with fifty coins, totaling exactly $1.00.

 

Unfortunately, while counting them,

he dropped a coin behind the radiator.

 

What is the probability that it was a penny?

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