Question

A student is chosen at random from a class of 16 girls and 14 boys. What is the probability that the student chosen is a girl?

Answer #1

A class consists of 35 girls and 45 boys,9 girls and 17 boys of
the class take mathematics as their optional subject what is the
probability that a student selected at random from the class is a
boy or takes mathematics?

In a group of 18 boys and 22 girls, three people are chosen at
random. What are the odds that 1 girl and 2 boys are selected?

A kindergarden class consists of 14 boys and 11 girls. If the
teacher selects children
a) What is the probability that the first selected child will be
a girl if the teacher uses random sampling?
b) If the teacher selects a random sample of n=3 children, and
the first two children are boys and leave the classroom as soon as
selected, what is the probability that the third child selected
will be a girl?
c) In the same situation, what...

There are 18 students in this class….5 girls, 13 boys.
1. What is the probability that a group of 5 boys will be
chosen?
2. What is the probability that at least 2 girl will be chosen
for a group of 3?
3. What is the probability that 7 or less boys will be chosen
for a group of 10?

From a group of 10 boys and 12 girls, a committee of 5 students
is chosen at random.
a. What is the probability that all 5 members on the committee
will be girls?
b. What is the probability that all 5 members of the committee
will be boys?
c. What is the probability that there will be at least 1 girl on
the committee?
(please show all the work, as I am very confused)

In Leza's class 44% of students are girls.
a) If one student is absent from the class, what is the
probability that the absent student is a girl? Express in fraction
in lowest terms.
b) How many boys are in the class? Explain your strategy.

A high school principal must select 14 girls at random from the
freshman class to serve as hostesses at the junior-senior prom.
There are 170 freshman girls, including 10 from minorities, and the
principal would like at least one minority girl to have this honor.
(Round your answers to two decimal places.)
(a) If he selects the girls at random, what is the probability
that he will select exactly one minority girl?
(b) If he selects the girls at random,...

Consider a class with 8 boys and 6 girls.
a) In how many ways can a committee of nine consisting of 4 boys
and 5 girls be chosen?
b) How many of the possible ways a committee of 7 can be chosen
at random from the class consists at least 3 girls?

Ms. Frazier chooses two students to come to the board
from a class of 8 boys and 12 girls. What is the probability that
she will select a girl student first and a boy student
second?

A class has 10 boys (including Doug) and 8 girls (including
Cathy).
If 3 students are chosen at random to be studyhall monitors,
what is the probability that Doug is selected but Cathy is not?

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