Question

If the ratio of boys born to girls born is 105 to 100, and if 6 children are born in a certain hospital in a day, what is the probability that 4 of them are boys? (Round your answer to four decimal places.)

Answer #1

According to an article in Newsweek, the natural ratio
of girls to boys is 100:105. In China, the birth ratio is 100:114
(46.7% girls). Suppose you don't believe the reported figures of
the percent of girls born in China. You conduct a study. In this
study, you count the number of girls and boys born in 150 randomly
chosen recent births. There are 61 girls and 89 boys born of the
150. Based on your study, do you believe that...

According to an article in Newsweek, the natural ratio
of girls to boys is 100:105. In China, the birth ratio is 100:114
(46.7% girls). Suppose you don't believe the reported figures of
the percent of girls born in China. You conduct a study. In this
study, you count the number of girls and boys born in 150 randomly
chosen recent births. There are 59 girls and 91 boys born of the
150. Based on your study, do you believe that...

According to an article in Newsweek, the natural ratio
of girls to boys is 100:105. In China, the birth ratio is 100:114
(46.7% girls). Suppose you don't believe the reported figures of
the percent of girls born in China. You conduct a study. In this
study, you count the number of girls and boys born in 150 randomly
chosen recent births. There are 64 girls and 86 boys born of the
150. Based on your study, do you believe that...

According to an article in Newsweek, the natural ratio of girls
to boys is 100:105. In China, the birth ratio is 100:114 (46.7%
girls). Suppose you don't believe the reported figures of the
percent of girls born in China. You conduct a study. In this study,
you count the number of girls and boys born in 150 randomly chosen
recent births. There are 63 girls and 87 boys born of the 150.
Based on your study, do you believe that...

Calculate the probability that among 6 children born in a given
hospital in a particular day that 3 will be boys and 3 will be
girls
Biology

The random variable X is the number of girls of four children
born to a couple that is equally likely to have either a boy or a
girl. Its probability distribution is as follows
Q24
(a) µ = E(X) = (Round your answer to one decimal place)
(b) σ(X) = (Round your answer to one decimal place)
c) Among all families with four children, what is the average
number of boys?
(Round your answer to one decimal place)

The weights of newborn baby boys born at a local hospital are
believed to have a normal distribution with a mean weight of 3951
grams and a variance of 60,025 . If a newborn baby boy born at the
local hospital is randomly selected, find the probability that the
weight will be between 3485 and 4147 grams. Round your answer to
four decimal places.

"In a family of 6 children, what is the probability of 4 boys
and two girls? "

Suppose that a family has five children, consisting of three
girls and two boys. Call the girls Abigail, Brianna, and Courtney;
call the boys Duane and Evan. Suppose further that two of these
children are to be selected at random.
List the sample space of all possible pairs of these five
children.
a.
Determine the probability that one child of each gender will be
selected.
Report your answer to two decimal places; e.g., 0.xx
b. Determine the probability that two...

In a group of 6 boys and 4 girls, four children are to be
selected. In how many different ways can they be selected such that
at least one boy should be there?

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