Three coins are tossed at once. What is the probability of two heads and one tail? 1/8 1/512 3/8

If we're tossing three coins that all have a 50% chance of getting tails or head, all we have to do is...

2 * 2 * 2 = 8

Now we divide it by 3...(The two heads and one tail)

3 * 8 = 0.375

0.375 * 100 = 37.5% or 3/8

Your answer is 3/8, I hope this helps!

answer: for each 3 girls there is 2 boys . 3: 2

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