Mathematics

Gopi buys a fish from a shop for his aquarium. The shopkeeper takes out one fish at random from a tank containing 5 male fish and 8 female fish. What is the probability that the fish taken out is a male fish?

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No. of possible outcomes = 13 (5 male fishes + 8 female fishes)

No. of favourable outcomes (for getting a male fish) = 5

P(getting a male fish) = $\dfrac{\text{No. of favourable outcomes}}{\text{No. of possible outcomes}} = \dfrac{5}{13}$ .

Hence, probability of taking out a male fish = $\dfrac{5}{13}$ .

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