SOLUTION: A student tossed three coins. What is the probability of getting at least two heads? This is a Probabilty of independant events 1/2 * 1/2 = 1/4 or 25%

Question 383055: A student tossed three coins. What is the probability of getting at least two heads? This is a Probabilty of independant events 1/2 * 1/2 = 1/4 or 25%
Found 2 solutions by stanbon, G8TORS:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A student tossed three coins. What is the probability
of getting at least two heads?
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P(2<= x <=3) = 3C2(1/2)^3 + 3C3(1/2)^3 = (3+1)/8 = 1/2
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Cheers,
Stan H.
Answer by G8TORS(10) (Show Source): You can put this solution on YOUR website!
A student tossed three coins. What is the probability of getting at least two heads?
This is a Probabilty of independant events 1/2 * 1/2 = 1/4 or 25%
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