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This is a binomial probability distribution with the following criteria: Number of trials = 6, number of successes = 2, probability of success = 1/6 or 0.16667. Because of the probability value not being a typical number, there is not a table to go to look the answer up. The math is tedious. So, we go to a binomial probability calculator and enter in the aforementioned data to obtain the answer of 0.201.

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What is the probability of randomly selecting a four-child family with exactly two boy children?

2/4


What is the probability that parents that have 2 boys and one girl will have a girl next?

There is not enough information on the propensity for the parents to have a child of either gender and so it is necessary to assume that the probability of the gender of the next child is independent of the genders of preceding children. In that case the probability of the next child being a girl is 1/2.There is not enough information on the propensity for the parents to have a child of either gender and so it is necessary to assume that the probability of the gender of the next child is independent of the genders of preceding children. In that case the probability of the next child being a girl is 1/2.There is not enough information on the propensity for the parents to have a child of either gender and so it is necessary to assume that the probability of the gender of the next child is independent of the genders of preceding children. In that case the probability of the next child being a girl is 1/2.There is not enough information on the propensity for the parents to have a child of either gender and so it is necessary to assume that the probability of the gender of the next child is independent of the genders of preceding children. In that case the probability of the next child being a girl is 1/2.


Probability of your first child being male?

50%


What is the probability that the next child will also be normal?

0.1%


What is the probability that a family of 4 children has exactly 3 boys?

0.25 binomial distribution, where p=0.5, q=0.5, x=3, n=4 4!/(3!*1!)*0.530.51 = 0.25 Also can be solved by identifying each event possible and related probability. There are 4 ways this can occur (first child is a girl, second child is a girl, third child is a girl and fourth child is a girl) and there is a 0.54 chance of each of these events occurring. Prob= 4 *0.0625 = 0.25

Related Questions

What is the probability that the 6 child family has exactly two girls?

The probability is 2 - 6


What is the probability of randomly selecting a four-child family with exactly two boy children?

2/4


How would you explain the concept of probability to a child?

Start with examples like flipping a coin, rolling a die or spinning a dreidel. Then explain in terms they understand. That depends very much on the age of the child.


What is the probability of exactly 7 boys in 10 births when the birth of any child does not affect the probability of the gender of any other children?

This is a Binomial Probability; p=0.5, n=10 & x=7. Since you want the probability of exactly 7, in the related link calculator, after placing in the above values, P(x=7) = 0.1172 or 11.72%.


What is the probability of a man who has BB genotype and his wife who has BO genotype to have a child who is AB?

No probability. Neither parent has an "A" for the child to inherit to make an "AB".


What is the probability that parents that have 2 boys and one girl will have a girl next?

There is not enough information on the propensity for the parents to have a child of either gender and so it is necessary to assume that the probability of the gender of the next child is independent of the genders of preceding children. In that case the probability of the next child being a girl is 1/2.There is not enough information on the propensity for the parents to have a child of either gender and so it is necessary to assume that the probability of the gender of the next child is independent of the genders of preceding children. In that case the probability of the next child being a girl is 1/2.There is not enough information on the propensity for the parents to have a child of either gender and so it is necessary to assume that the probability of the gender of the next child is independent of the genders of preceding children. In that case the probability of the next child being a girl is 1/2.There is not enough information on the propensity for the parents to have a child of either gender and so it is necessary to assume that the probability of the gender of the next child is independent of the genders of preceding children. In that case the probability of the next child being a girl is 1/2.


What is the probability a child will be a male?

1 in 2


What is the probability of having a normal child?

The probability is zero! There is no such thing as "normal". Every child (and adult) has some unique characteristics and that makes them not normal - in that respect.


What is the probability of a child being a boy?

It depends on the context: if you select a child at random from a girls' school, the probability is 0, while if it is at a boys' school it is 1!


Which of the following calculations require that you utilize the addition rule?

The addition rule is used when calculating the probability of two mutually exclusive events occurring together. For example, when calculating the probability of rolling a 2 or a 6 on a six-sided die, you would use the addition rule.


Probability of your first child being male?

50%


What is the probability that a child will be a girl versus a boy?

50%