MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.

Describe the complement of the given event.

1)  When  diners have lunch, none of them orders liver and onions.

A) When  diners have lunch, at least one of them orders liver and onions.

B) When  diners have lunch, at least one of them orders liver and onions.

C) When  diners have lunch, all of them order liver and onions.

D) When  diners have lunch, at least  of them order liver and onions.

 

Find the indicated probability.

2)  A study conducted at a certain college shows that % of the school's graduates find a job in their chosen field within a year after graduation. Find the probability that among  randomly selected graduates, at least one finds a job in his or her chosen field within a year of graduating.

A)  B)   C)   D)   

 

3)  In a blood testing procedure, blood samples from  people are combined into one mixture. The mixture will only test negative if all the individual samples are negative. If the probability that an individual sample tests positive is , what is the probability that the mixture will test positive?

A)  B)   C)   D)   

 

4)  The table below describes the smoking habits of a group of asthma sufferers.

 

If one of the  subjects is randomly selected, find the probability that the person chosen is a nonsmoker given that it is a woman.  Round to the nearest thousandth.

A)  B)   C)   D)   

 

5)  The Philadelphia plant of the Gramlich Pharmaceutical Company manufactures 400 neuro sensors, of which 3 are defective.  The New York City plant of the same company manufactures 800 sensors, of which 2 are defective.  If one of the 1200 sensors is randomly selected and is found to be defective, what is the probability that it was manufactured in Philadelphia?

A) 0.4 B)  0.2 C)  0.6 D)  0.8

 

Solve the problem.

6)  A firm uses trend projection and seasonal factors to simulate sales for a given time period. It assigns "0" if sales fall, "1" if sales are steady, "2" if sales rise moderately, and "3" if sales rise a lot. The simulator generates the following output.

 

0 1  2  0  1   2     2 1 2  1 2  2 0 3  0 2 1  1

 

Estimate the probability that sales will rise moderately.

A)  B)   C)   D)  0.312

 

Evaluate the expression.

7)  !

A)  B)   C)   D)   

 

8)   

A)  B)   C)   D)   

 

9)   

A)  B)   C)   D)   

 

Solve the problem.

10)  A state lottery involves the random selection of six different numbers between 1 and . If you select one six number combination, what is the probability that it will be the winning combination?

A)  B)   C)   D)   

 

11)  In a certain lottery, five different numbers between 1 and  inclusive are drawn. These are the winning numbers. To win the lottery, a person must select the correct 5 numbers in the same order in which they were drawn. What is the probability of winning?

A)  B)   C)   D)   

 

12)  A tourist in France wants to visit  different cities. How many different routes are possible?

A)  B)   C)   D)   

 

13)  A tourist in France wants to visit  different cities. If the route is randomly selected, what is the probability that she will visit the cities in alphabetical order?

A)  B)   C)   D)   

 

14)  There are  members on a board of directors. If they must elect a chairperson, a secretary, and a treasurer, how many different slates of candidates are possible?

A)  B)   C)   D)   

 

15)  There are  members on a board of directors. If they must form a subcommittee of  members, how many different subcommittees are possible?

A)  B)   C)   D)   

 

16)  What is probability that a burgular randomly guesses a security code that consists of 8 digits (0,1,...,4)  that must be enterned in the correct sequence?  (digits in code can be repeated.)

A) 1/32 B)  1/390625 C)  1/65536 D)  1/6720

 

Solve the problem.

17)  A musician plans to perform  selections. In how many ways can she arrange the musical selections?

A)  B)   C)   D)   

 

18)  How many -digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7 if repetition of digits is not allowed?

A)  B)   C)   D)   

 

How many distinguishable permutations of letters are possible in the word?

19)  COMMITTEE

A) 45,360 B)  362,880 C)  90,720 D)  181,440


 

MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.

1)  B

ID: STAT8T 3.5.1-5

Page Ref: 144-145

Objective: (3.5) Describe the Complement of the Given Event

 

2)  D

ID: STAT8T 3.5.2-2

Page Ref: 144-145

Objective: (3.5) Find Probability of "At Least One"

 

3)  D

ID: STAT8T 3.5.2-5

Page Ref: 144-145

Objective: (3.5) Find Probability of "At Least One"

 

4)  A

ID: STAT8T 3.5.3-9

Page Ref: 145-148

Objective: (3.5) Use Contingency Table to Find Conditional Probability

 

5)  C

ID: USER-2

Page Ref:

Objective:

 

6)  B

ID: STAT8T 3.6.1-4

Page Ref: 151-154

Objective: (3.6) Use Simulation to Estimate Probability

 

7)  D

ID: STAT8T 3.7.1-1

Page Ref: 157-158

Objective: (3.7) Evaluate Factorial/Permutation/Combination

 

8)  A

ID: STAT8T 3.7.1-7

Page Ref: 157-158

Objective: (3.7) Evaluate Factorial/Permutation/Combination

 

9)  C

ID: STAT8T 3.7.1-4

Page Ref: 157-158

Objective: (3.7) Evaluate Factorial/Permutation/Combination

 

10)  A

ID: STAT8T 3.7.2-5

Page Ref: 161-163

Objective: (3.7) Find/Use Number of Combinations

 

11)  C

ID: STAT8T 3.7.3-8

Page Ref: 159-161

Objective: (3.7) Find/Use Number of Permutations

 

12)  B

ID: STAT8T 3.7.3-6

Page Ref: 159-161

Objective: (3.7) Find/Use Number of Permutations

 

13)  D

ID: STAT8T 3.7.3-7

Page Ref: 159-161

Objective: (3.7) Find/Use Number of Permutations

 

14)  C

ID: STAT8T 3.7.3-5

Page Ref: 159-161

Objective: (3.7) Find/Use Number of Permutations

 

15)  C

ID: STAT8T 3.7.2-1

Page Ref: 161-163

Objective: (3.7) Find/Use Number of Combinations

 

16)  B

ID: USER-1

Page Ref:

Objective:

 

17)  C

ID: STAT8T 3.7.3-3

Page Ref: 159-161

Objective: (3.7) Find/Use Number of Permutations

 

18)  A

ID: STAT8T 3.7.3-1

Page Ref: 159-161

Objective: (3.7) Find/Use Number of Permutations

 

19)  A

ID: FM7L 8.1.7-7

Page Ref: 384, 386

Objective: (8.1) Find Permutations of Letters