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4 The experimental probability that it is of species A = 18/40 = 9/20 = 0.45
1) a) The number of fish now = 500 x (1 + 6%) = 530 The number of fish 2 years ...
...the value of coins instead of the expected value. 4a) P(poisonous fish ) = 8/20 = 2/5 b) number of poisonous fish = 21*2/5 = 8.4 (~9) P(poisonous...
fish-pond 相關
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