If a couple plans to have 7 children, what is the probability that there will be at least one boy? Assume boys and girls are equally likely.
If a couple plans to have 7 children, what is the probability that there will be at least one boy? Assume boys and girls are equally likely
The probability of NOT having any boy is:
1 / (2^7) =0.0078125, therefore the probability of having AT LEAST one boy is:
1 - 0.0078125 =0.9921875 x 100 =99.21875%
