Ram put some buttons on the table. There were 4
blue, 7 red, 3 black and 6 white buttons in all. All
of a sudden, a cat jumped on the table and knocked
out one button on the floor. What is the probabil-
ity that the button on the floor is blue?
Answers
Answered by
15
Answer:
1/5
EXPLAINATION
TOTAL NUMBER OF BALLS: 4+7+3+6 = 20
NUMBER OF BLUE BALLS: 4
PROBABILITY THAT BALL KNOCKED IS BLUE = NUMBER OF BLUE BALLS / TOTAL NUMBER OF BALLS
=4/20
=1/5
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