Question
What are the odds of having 1 boy in a family of 5 children?
Answers
bobpursley
well, if one has ONE boy, it can be the first, second, ...fifth
Pr(oneboy)=(5/1).5^5=5!/4! * .5^5= 0.03125 * 5=.15625
Pr(oneboy)=(5/1).5^5=5!/4! * .5^5= 0.03125 * 5=.15625