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Review for chapter 4 & 5 test
Four of a Kind Find the probability of getting four of a kind
when five cards are drawn from a deck of
cards.
Bluman, Chapter 4
In how many ways can the
letters in the following words be
arranged?
1) Fancy
2) Algebra
3) Mississippi
4) Hannah
Bluman, Chapter 5 3
Bluman, Chapter 5 4
In a class of 16 boys and 23 girls, 7
students are to be selected to form a
study group.
a) What is the probability that 1 girl is selected
to be in the study group?
b) What is the probability that the majority of the
students chosen are boys?
c) What is the probability the study group is
made up of only one gender?
Bluman, Chapter 5 5
1) How many GHS ID numbers are possible;
where the first digit can’t be a zero?
2) How many ID numbers can be assigned to
employees of a company if the ID numbers
are made up of 2 letters, followed by 5 digits?
3) Refer to last questions how many ID numbers
are possible if letter 0 and number 1 are not
used?
Bluman, Chapter 5 6
A box contains 2 white balls, 3 black balls
and 4 red balls. In how many ways can 3
balls be drawn from the box, if at least one
black ball is to be included in the draw?
Testing, testing, testing, testing, testing
There are 20 questions on a multiple
choice test with 5 options per question.
A. If passing grade is 16, what is the
probability of someone passing by
guessing on each question?
B. What is the expected, μ, 𝜎, 𝑎𝑛𝑑 𝜎2?
Bluman, Chapter 4
Display a probability distribution table for
flipping four coins.
Display the result on a graph.
Bluman, Chapter 4
Bluman, Chapter 4
Bluman, Chapter 4
Bluman, Chapter 4
Bluman, Chapter 4
Calls for a Crisis Hot Line The Number of call received per day at a crisis hot line is distributed as follows:
Find the mean, variance, and standard deviation of the distribution.
Bluman, Chapter 4
Employed Women If 60% of all women are employed outside of home, find the probability that in a sample of 20 women,
A) Exactly 15 are employed
B) At least 10 are employed
C) At least 5 are not employed outside the home
Bluman, Chapter 4
Meeting Attendance A history call has 75 members. If there is a 12% absentee rate
per class meeting, find the mean, variance, and standard deviation of the number of students who will be absent from each
class.
Bluman, Chapter 4
New Car Warranty The probability that a customer will buy a car and an extended warranty is 0.16. If the probability that a customer will purchase a car is 0.30, find
the probability that the customer will also purchase the extended warranty.
Bluman, Chapter 4
Physics Test A physics test consist of 25 true/false questions. How many different
possible answer keys can be made?
Bluman, Chapter 4
Cruise Ship Activities A cruise director schedules 4 different movies, 2 bridge
games, and 3 tennis games for a two-day period. If a couple selects 3 activities, find the probability that they attend 2 movies
and 1 tennis game.
Bluman, Chapter 4
Committee Selection At a sorority meeting, there are 6 seniors, 4 juniors, and 2 sophomores. If a committee of 3 is to be formed, find the probability that 1 of each
will be selected.