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79°F(a) A child has a box full of colored building blocks. If she chooses one block without looking, the probability of choosiodds against choosing a green block?ÜContinueX00(b) Martina is playing a role-playing game with her friends. She will roll dice to determine if her character casts a spell. T7casting a spell are Find the probability of her character casting a spell.810X0:0аI need help with this math problem

79Fa A child has a box full of colored building blocks If she chooses one block without looking the probability of choosiodds against choosing a green blockÜCon class=

Respuesta :

Part A

we know that

The probability of choosing a green block is 3/5

so

The probability that not choosing a green block is (1-3/5)=2/5

therefore

the odds against choosing a green block is

2/3

Part B

Odds in favor are 7/8

so

The probability is 7/(7+8)=7/15

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