Answered

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a bag contains only red , yellow brown and green marbles
the probabilities of selecting each colour are below
red - 5x
green - 2x
brown - 3x
yellow - 4x
find the probability of selecting a green marble

Sagot :

abidemiokin

Answer:

1/7

Step-by-step explanation:

Probability is the likelihood or chance that an event will occur. this is expressed as;

Probability = Expected outcome/Total outcome

From the question, the total number of marbles is the total outcome

Total outcome = 5x + 2x + 3x + 4x

Total outcome = 14x

Since we are to find the probability of selecting a green marble, the expected outcome will be total number of green marbles which is 2x

Pr(selecting green marbles) = 2x/14x

Pr(selecting green marbles) = 1/7

Hence the probability of selecting a green marble is 1/7

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