In a family of 3 children, assume that the probability of a boy birth is 1/2.
The probability of no boy in the family is?
In a family of 3 children, assume that the probability of a boy birth is 1/2.
The expected number of boys born is?
In a family of 3 children, assume that the probability of a boy birth is 1/2....
2. There are 10 children in a given family. Assuming that a boy is as likely to be born as a girl, what is the probability of the family having a) 5 boys and 5 girls; b) From 3 to 7 boys ?
Assume that the probability of a boy being born is the same as the probability of a girl being born.(a) Find the probability that for family with four children, the two oldest children are girls.(b) Find the probability that for family with four children, exactly two of the children are boys.(c) Find the probability that for family with four children, at least two of the children are boys.
Consider a couple who gave birth to 4 children (assume a boy is equally likely as a girl) The events space for the experiment S={GGGG,GGGB,GGBG,GGBB,GBGG,GBGB.GBBG GBBB,BGGG BGGB,BGBG,BGBB,BBGG,BBGB,BBBG BBBB } Find the probability of the event E1 of no more than 2 girls in the family () Find the probability of event E2 of no less than two boys in the family (i) (ii) Find the probability of E1 n E2 E1 U E2 (iv) Find the probability of Number Number...
Suppose that at each birth, having a girl is not likely as having a boy. The probability assignments for the number of boys in a child family are approximated empirically from past records and are given in the table. What is the Number of expected number of boys in a 3-child family Boys 2 0.35 0.37 0.16 The expected number of boys in a 3 cred family is (Type an integer or a decimal)
A young couple falls in love and decides to marry and start a family. Assume that with each birth, they are equally like to have a boy or girl child - and only one at a time (no twins or other multiple births). They decide to keep having children until they have one girl. 5. a. On average, how many children will be born to this family? b. If there are no girls in the first two births, what is...
(3. 3.) What is the probability that a family with 4 children has: (Use tree diagrams) What is the probability that a family with 4 children has: (Use tree diagrams) a. 3 boys and a girl b. 3 girls then a boy c. at least 1 boy
Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with three children will have the given composition.The two oldest children are girls.
Assuming boy and girl babies are equally likely,find the probability that a family with three children will have exactly 2 boys.
In a family of four children, what is the probability of having all boys? Assume a 50:50 sex ratio (i.e., for each child born, there is a 50% chance that it is male and a 50% chance that it is female). 1/8 1/4. 1/2. 1/16. 1/32
If a family decides to have children until their second boy is born what is the number of girls the family is expected to have?