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A fair coin is tossed 8 times. Find the probability that it shows heads at least once

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the probability of showing at least once is equal to the probability not showing head
= 1 - 8C0/ 2^8
= 1 - 1/256
= 255/256
10 years agoHelpfull: Yes(5) No(0)

coin tossed 8 times ,
Then Sample space is = 2^8 = 256
The sample space of getting no Head = 1
The sample space of at least once head = 256-1 =255
probability that it shows heads at least once =255/256 =0.99609375
9 years agoHelpfull: Yes(0) No(0)

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