11. 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 (see Fig. 15.4). What is the probability that the fish taken out is a male fish?
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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 (see Fig. 15.4). What is the probability that the fish taken out is a male fish?
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 (see Fig. 15.4). What is the probability that the fish taken out is a male fish?
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Solution:
We know that,
Probability of = Number of possible outcomes/Total number of favorable outcomes
Number of male fish = 5
Number of female fish = 8
Total number of fishes = 5 + 8 = 13
The probability that the fish taken out is a male fish = Number of male fish/Total number of fishes
= 5/13
Thus, the probability that the fish that are taken out is a male fish, is 5/13.