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12 April, 12:43

A Bag contains several stuffed animals. There are 3 tigers 2 orangutans 5 panda bears 8 giraffes and 7 Giselle's. Steven randomly chooses an animal and puts it back into the back. He repeats this 100 times. How many times should Steven expect to drawl a tiger?

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  1. 12 April, 15:00
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    As the sample sized gets larger and larger the expected value gets closer and closer to the theoretical probability. In this case:

    P (T) = 3 / (3+2+5+8+7)

    P (T) = 3/25

    So in 100 trials we should expect to draw 100 (3/25) = 12 tigers.
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