SOLUTION: A fair coin is tossed 5 successive times . what is the probability that at least one head is obtained ?
a) 8/10 b) 9/10 c) 1 d) 31/32 e)none
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Question 233399: A fair coin is tossed 5 successive times . what is the probability that at least one head is obtained ?
a) 8/10 b) 9/10 c) 1 d) 31/32 e)none
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A fair coin is tossed 5 successive times . what is the probability that at least one head is obtained ?
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P(at least one) = 1 - P(none)
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P(at least one) = 1 - (1/2)^5
= 1 - 1/32 = 31/32
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Cheers,
Stan H.
a) 8/10 b) 9/10 c) 1 d) 31/32 e)none
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