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.