a coin is tossed 20 times. what is the probability of getting at least 1 head?
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p(at least one head)=20/20=1
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YashPuri07:
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Answer:
As we know in a coin there is head and tail
A coin is tossed 20 times mean no. of outcomes = 2^20 = 1048576
so no. of head at least one is 1048576 - 1 = 1048575
Probability = 1048575/1048576 = 0.999999046325
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