SOLUTION: The Martinos plan to have four children. Find the probability that all their children will be boys.
(Assume that P(boy) = ½, and assume independence.)
b. If their first four
Algebra.Com
Question 832993: The Martinos plan to have four children. Find the probability that all their children will be boys.
(Assume that P(boy) = ½, and assume independence.)
b. If their first four children are boys and Mrs. Martino is expecting another child, what is the
probability that the fifth child will be a boy?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The Martinos plan to have four children.
Find the probability that all their children will be boys.
Ans: (1/2)^4 = 1/16
------------------------
(Assume that P(boy) = ½, and assume independence.)
b. If their first four children are boys and Mrs. Martino is expecting another child, what is the probability that the fifth child will be a boy?
Ans: 1/2 because the birth results are independent.
===============
Cheers,
Stan H.
------------------
RELATED QUESTIONS
Alice and Bill are planning to have three children. (Assume that it is equally likely for (answered by Alan3354)
A couple plan to have children, one a year, until they either have two boys or four... (answered by solver91311)
Assume that the probability is .5 that a child is born a boy and births are independent.... (answered by ewatrrr)
Find the probability of a couple having a boy when their 6th child is born, given that... (answered by Fombitz)
Boys and girls. Alice and Bill are planning to have three children. (Assume it is equally (answered by ewatrrr)
One of my questions I submitted earlier was sent in error, can you still help me with... (answered by jim_thompson5910,stanbon,ikleyn)
Find the probability that when a couple has four ​children, at least one of them is... (answered by greenestamps)
Assume the probability of a boy being born is the same as the probability of a girl being (answered by math_helper)
Assume that the probability of a boy being born is the same as the probability of a girl... (answered by stanbon)