Out of those, 32 are female, therefore 32 is the condition that satisfies our probability question (the numerator in the probability formula).

The probability that at least one child is a boy, given that the first born is a girl.

Ask Question Asked 4 years, 11 months ago. For example, a coin toss will yield either a heads or a tails; a birth will yield either a boy or a girl.

If we already know that at least one of the children is a boy most of us agree to use the (conditional) probability that out of the three possible, and equally probable,.

Comment.

. Two short problems. Find What is the probability for one of the children to be a girl given that; One of them is a boy, One of.

.

What is the probability that both children are boys To answer this question we suppose that it is equally likely to have boys or girls. . The other possibilitiestwo boys or two girlshave probabilities 14 and 14.

Consider a family that has two children. A die is rolled.

.

.

For example, a coin toss will yield either a heads or a tails; a birth will yield either a boy or a girl. Click hereto get an answer to your question Assume that each born child is equally likely to be a boy or a girl.

What is the probability that both children are boys To answer this question we suppose that it is equally likely to have boys or girls. Lebo has 3 blue pens, 2 red pens, 5 black pens and 2 pencils in his pencil case.

The following two-way contingency table gives the breakdown of the population in a particular locale according to age and number of vehicular moving violations in the past three years.

A couple decides to keep having children until they have at least one boy and at least one girl, and then stop.

Questions 1 - 4 Do these problems using the conditional probability formula P (A B) P (A B) P (B). . Given that they have at least one boy then our total possibility is BB, BG, GB.

Modified 4 years ago. . Tree Diagram and Conditional Probability. 0 Permalink. The conditional probability of interest is.

Questions 1 - 4 Do these problems using the conditional probability formula P (A B) P (A B) P (B).

The probability that at least one child is a boy, given that the first born is a girl. Event A, the parents have two girls.

The other possibilitiestwo boys or two girlshave probabilities 14 and 14.

Many readers incorrectly reason that the conditional probability of two boys given at least one is 1 2, as opposed to the correct 1 3, since they reason that the Jones child not attending the dinner is equally likely to be a boy or a girl.

Determine the probability of having 1 girl and 3 boys in a 4-child family assuming boys and girls are equally likely.

Apr 21, 2018 A generalized boy or girl problem.

If a family has two children, what is the conditional probability that both are girls given that (i) the youngest is a girl, (ii) at least one is a girl Solve Study Textbooks Guides.