# A total 3

A total of 160 families with 4 children each were surveyed with the following results.

Let the probability of picking a boy or a girl be 1/2. Let P=boy, Q=girl.

What is the probability of getting:

a) All boys

b) three boys, one girl

c) two boys, two girls

d) one boy, three girls

e) All girls

Boys | 4 | 3 | 2 | 1 | 0 |
---|---|---|---|---|---|

Girls | 0 | 1 | 2 | 3 | 4 |

Families | 7 | 50 | 55 | 32 | 16 |

Let the probability of picking a boy or a girl be 1/2. Let P=boy, Q=girl.

What is the probability of getting:

a) All boys

b) three boys, one girl

c) two boys, two girls

d) one boy, three girls

e) All girls

### Correct answer:

Tips for related online calculators

Looking for help with calculating arithmetic mean?

Looking for a statistical calculator?

Would you like to compute the count of combinations?

Looking for a statistical calculator?

Would you like to compute the count of combinations?

#### You need to know the following knowledge to solve this word math problem:

#### Grade of the word problem:

## Related math problems and questions:

- Families 2

Seven hundred twenty-nine families have six children each. The probability of a girl is 1/3, and the likelihood of a boy is 2/3. Find the number of families having two girls and four boys. - Family

What is the probability that a family with 3 children has: exactly 1 girl? 2 girls and 1 boys? Consider the birth probability of a girl is 48.66% and a boy 51.34%. - Students 34

Students were surveyed as part of a Statistics project to determine if younger adults are more likely to have tattoos. The results are listed in the two-way table below: age; At least one tattoo; No tattoo; Row totals Age 18 - 29; 165 ; 342; 507 Age 30 - - Four bicycles

In the department store, they sell bicycles for families with children. Women's bicycles are 10% more expensive than men's, and children's bikes are a third cheaper than women's. The family paid a total of CZK 31,030 for two children's, one man's, and one - Probability 37651

What is the probability that in a family with four children, there are: a) at least three girls b) at least one boy, If the probability of a boy is 0.51? - Competition 73174

There are 10 students in the class, of which 8 are girls and two are boys. We want to select three for the competition. What is the probability that they will be: a) 2 girls and 1 boy b) 1 girl and 2 boys c) 3 girls d) 3 boys e) at least 2 girls - Children 81526

There are 32 children in the class. If there were three more boys and one less girl, there would be an equal number of girls and boys in the class. How many boys are there in the class? - Birth

Let's assume that the probability of the birth of a boy and a girl in the family is the same. What is the probability that the youngest and oldest child in a family with five children is a boy? - Salami

We have six kinds of salami that have ten pieces and one kind of salami that has four pieces. How many ways can we distinctly choose five pieces of salami? - Calculated 67234

There are 13 boys and 17 girls in the class. The weeklies are always either two girls or a boy and a girl. The teacher calculated that she has 357 ways to create a pair of weekly newspapers. However, Anetka did not come to school on Monday morning. How ma - Shooters

In the army, regiments are six shooters. The first shooter target hit with a probability of 49%, next with 75%, 41%, 20%, 34%, 63%. Calculate the probability of target hit when shooting all at once. - Individual 5544

From 5 girls and four boys have to choose one pair, boy and girl. List all the pairs in which the individual boys will be. Attention, these are four examples. How many pairs are there? - Classroom

Of the 26 pupils in the classroom, 12 boys and 14 girls, four representatives are picked to the odds of being: a) all the girls b) three girls and one boy c) there will be at least two boys - Chess

How many ways can you select 4 fields on a classic chessboard with 64 fields so that fields don't have the same color? - A married

A married couple planned to have three children. i. List the possible combinations of the sexes of 3 children. Use B for a boy and G for a girl. ii. Calculate the probability that all three children would be of the same gender - Children 82437

If 3 boys were added to the eighth grade, 50% of the class would be boys. If, on the other hand, 3 girls were added, they would make up 7/12 classes. How many children are there in the class? - Boy-girl 6766

How many boy-girl pairs can we create from a class of 15 boys and 16 girls?