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What is the probability of getting 3 heads in 5 tosses of a coin?

Sagot :

Answer:
The formula to calculate the probability of an event is as follows. Considering a fair coin, after 5 flips, there are 25 = 32 different arrangements of heads and tails. Therefore, the probability of exactly 3 heads is 5/16.

Explanation:
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Probability=5C2/(2^5)
5C2=(5!)/(5-2)!2!
=120/12
=10 ways

Probability of getting exactly two heads=10/(2*2*2*2*2)
=10/32
=5/16