Question
In: Statistics and Probability
Given a sample of 90 couples, each couple having two children What is the probability of...
Given a sample of 90 couples, each couple having two
children
What is the probability of any couple having one girl and one
boy?
Solutions
Expert Solution
Probability of having one boy and one girls is 0.5×0.5 + 0.5×0.5 = 0.5 (BG,GB)
so selecting a couple is equiprobable
the probability of selected couple having one boy and one girl is 0.5
orchestra answered 2 years agoRelated Solutions
Boys and Girls: Suppose a couple plans to have two children and the probability of having...
Boys and Girls: Suppose a couple plans to have
two children and the probability of having a girl is 0.50.
(a) What is the sample space for the gender outcomes?
{bb, bg, gg}
{b,g}
{bb, bg, gb, gg}
{bb, gg}
(b) What is the probability that the couple has one boy and one
girl?
1
3
1
4
1
2
3
4
(c) What is the probability that the couple will have at least one
girl?
1
4
1...
Gender of a Children: A couple has 4 children . Find each probability A. exactly two...
Gender of a Children: A couple has 4 children . Find each
probability
A. exactly two girls and two boys
B. At least one child who is a girl
C. At least one child of each Gender.
1). If a couple has two children, what is the probability that they are both girls...
1). If a couple has two children, what is the probability that
they are both girls assuming that the older one is a girl?
2). Suppose that we have two dice, the first one being a regular
die, and the second weighted so that half the time it rolls a 1,
and half the time it rolls a 2 (it never rolls anything else). If
we choose one of these dice at random, and roll a 1, what’s the
probability...
In a family of 4 children, what is the probability that two of the children are...
In a family of 4 children, what is the probability that two of
the children are boys and two of the children are girls?
answer correct to 4 decimal places
Question 1 Suppose that a large number of couples have children. Why might having young children...
Question 1
Suppose that a large number of couples have children.
Why might having young children make parents more willing to
work? Express your answer in terms of the marginal utility of
consumption.
Why might having young children make parents less willing to
work? Express your answer in terms of the marginal utility of
leisure.
The three children of a farm couple are sent to the market to sell 90 apples.
Use ILPThe three children of a farm couple are sent to the market to
sell 90 apples. Karen, the oldest, carries 50 apples; Bill, the
middle one, carries 30; and John, the youngest carries only 10. The
parents have stipulated 5 rules: (1) The selling price is either $1
for 3 apples or $2 for 1 apple. (2) Each child may exercise one or
both options of the selling price. (3) Each of the three children
must return with exactly...
A married couple has 3 children. What is the probability thatthey have 2 boys and...
A married couple has 3 children. What is the probability that
they have 2 boys and one girl? Note: you can assume that for each
birth, p(girl) = 0.5, p(boy) = 0.5.
In a family with 6 children, excluding multiple births, what is the probability of having exactly...
In a family with 6 children, excluding multiple births, what is
the probability of having exactly 2 girls?
Assume that having a boy is as likely as having a girl at each
birth.
---------------------------------
A biotechnology company produced 201 doses of somatropin,
including 9 which were defective. Quality control test 15 samples
at random, and rejects the batch if any of the random samples are
found defective. What is the probability that the batch gets
rejected?
--------------------------------
A math professor...
In a family with 6 children, excluding multiple births, what is the probability of having exactly...
In a family with 6 children, excluding multiple births, what is
the probability of having exactly 2 girls?
Assume that having a boy is as likely as having a girl at each
birth.
---------------------------------
A biotechnology company produced 201 doses of somatropin,
including 9 which were defective. Quality control test 15 samples
at random, and rejects the batch if any of the random samples are
found defective. What is the probability that the batch gets
rejected?
--------------------------------
A math professor...
In a family with 7 children, excluding multiple births, what is the probability of having exactly...
In a family with 7 children, excluding multiple births, what is
the probability of having exactly 2 girls?
Assume that having a boy is as likely as having a girl at each
birth.
A coin is tossed 8 times.
a) How many different outcomes are possible?
b) What is the probability of getting exactly 2 heads?
c) What is the probability of getting at least 2 heads?
d) What is the probability of getting at most 4 heads?
In the...
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