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The age variance is 2.5

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Q: A child was born into a family each year for five consecutive years What is the variance of the ages of the children?
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What is the probability of randomly selecting a four-child family with exactly two boy children?

2/4


At least one child in a family with two children is a boy the the probability that both children are boys?

There is no simple answer.First of all, the probability of boys is 0.517 not0.5.Second, the probabilities are not independent.If you choose to ignore these important facts, then the answer is 2/3.


What is the probability that in this family the first child born is a boy and the last child born is a girl of four children?

There is no simple answer to the question because the children's genders are not independent events. They depend on the parents' ages and their genes. However, if you assume that they are independent events then, given that the probability of a boy is approx 0.5169, the probability of the event described is 0.5169*1*1*0.4831 = 0.2497


A couple has two female children What is the probability that their next child will be male?

50%


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.

Related questions

Was Joan of Arc the third child born in her family?

No, Joan of Arc was not the third child born in her family. She was the youngest of five children.


What is Family of procreation?

The family formed by a couple and their child or children.


What is a family of procreation?

The family formed by a couple and their child or children.


Are those children that member of the child labor has a family?

yes they do have family


Can the caseworker from Child Aid remove children from the family home when one parent is before the provincial courts on a non child or domestic abuse charge?

Yes a caseworker of Child Aid can see fit to remove a child or children from their family until all issues in the court of law are resolved. If the person is found not guilty generally Child Aid will release the child or children by to the family if they are satisfied the parent or parents can provide a safe environment for the child or children.


What ways can a child join a family other then as the biological child?

Some parents who have their own children simply love children and may take in foster children (give them a place to live, but your parents do not adopt them as their own) or adopting a child and they will be raised fairly with the other children in the family.


What is the proper noun of children?

Child is a common noun. The proper noun Child would be a family name, as in Robert D. Child, the artist.


What family proplems make in the children?

family proplems like divorce make in the children manyPsychiatric illness because the family Fragmented that make the child And Haddana


One of the goals of the child-centered family of the 1800s was to?

one of the goals of the child centered family in the 1800s was to make their children independent individuals


Are Marie osmund's children from the same family?

Yes, Marie Osmond has 8 children but they are not all from the same family. She has 1 biological child and 7 adopted children.


What is a two child family?

It is a family with two children. A family with two children under the age of 18. It includes two guardians (parents or otherwise) or a single guardian.


Was Betsy ross the 8th child out of 17 children in her family?

Yes