Table of Contents
What is the probability of having 2 girl children?
It there is a 50\% chance that we will be told the first child is a boy, when there is one of each gender, then the probability of two girls is 50\%.
What is the probability that in a family of 3 children there will be at least one boy?
question_answer Answers(3) The probability that each child will be a boy is 1/2. The probability that each child will be a girl is 1/2. The probability of at least 1 boy = 1 – the probability of no boys. boys which = 3/8 + 3/8 + 1/8 = 7/8.
What is the probability that her third child will be a girl?
What is the probability that her third child will be a girl? Explain your reasoning. 50\%, because there’s a 1/2 chance that is a boy or girl, there are two possible outcomes.
What is the probability of having male offspring?
In most industrialized countries about 105 boys are born for every 100 girls, for a ratio of 1.05, known as the secondary sex ratio, or SSR; the primary sex ratio is the ratio at conception. This is often expressed as the percentage of boys among all births, or about 51.2 percent.
What is the probability that the fourth child will be a boy?
0.5
Therefore, the probability that the fourth child is a boy is 0.5. The probability of getting all boys among four children. Since the probability of getting a boy child is 0.5. Therefore, the probability that all the four children are boys are 0.0625.
What is the probability of having at least one boy?
At least means mor than or equal to 1. The total probability is 2 power 3 that is eight. All are girls the Probability is 1/8. So at least one boy means 1 minus 1/8 . That is 1-1/8=7/8. Originally Answered: In a Family of 3 children, What is the probability of having atleast 1 boy?
What is the probability of all three children being girls?
The probability of all three children being girls is the same as that as being all boys, 1 8. And so the probability of the children being all boys or all girls is: P (all boys or all girls) = 1 8 + 1 8 = 1 4
How many possible combinations of 2 boys and a girl?
As we have seen from the other answers, there are 3 permutations out of 8 which contain 2 boys and a girl. But what if we looked at the combinations instead? The combinations of 2 genders among 3 children are: 2 girls, 1 boy can be rearranged, and the boy can have 3 positions (youngest, middle or oldest).
What are the odds of having a baby in each generation?
You can see that the chance of having at least one boy is 1 / 2 in the first generation, 3 / 4 in the second, and 7 / 8 in the third. This generalizes to ( 2 n − 1) / 2 n in the nth generation.