A: THE ODDS IN FAVOR OF BORIS PENZED WINNING THE HOTDOG EATING CONTEST ARE 2:7. FIND THE PROBABILITY THAT BORIS WILL WINTHE CONTEST.B : A BOX CONTAINS 9 RED AND 2 BLUE MARBLES. IF YOU SELECT ONE MARBLE AT RANDOM FROM THE BOX, DETERMINE THE ODDS AGAINST SELECTING A RED MARBLE.

Respuesta :

Part A

we know that

ODDS IN FAVOR --------> 2:7

so

the probability is

P=2/(2+7)

P=2/9

Part B

we have that

ODDS IN FAVOR OF SELECTING A RED MARBLE --------> 9:2

so

ODDS AGAINST SELECTING A RED MARBLE -----> 2:9

the answer is 2:9

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