Question 1

If there are six vacant parking places and six automobiles arrive at the same time,in how many different ways they can park?

Accepted Answer

Number of different

Question 2

Classical probability is the proportion of times that an event will occur assuming all outcomes in a sample space have an equal chance to occur.

Accepted Answer

A) True 
 B)False

Question 3

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A manufacturer of automobiles conducted a market survey.Eighty percent of the customers want better fuel efficiency,while 55% want a vehicle navigation system and 45% percent want both features.
-The probability that a person wants better fuel efficiency but not a vehicle navigation system is:

Accepted Answer

A) 0.90 
B) 0.10 
C) 0.45 
D) 0.35 
A) 0.90 
B) 0.10 
C) 0.45 
D) 0.35

Question 4

Relative frequency probability is the number of events in the population that meets conditions multiplied by the total number in the population.

Accepted Answer

A) True 
 B)False

Question 5

You can order a new model of an electronic notebook in one of five colors.The notebook also comes loaded with one of four different games.How many different combinations of colors and games are possible? If you were to order three different notebooks without stating preference on color or games,what is the probability that they are identical? Assume that the color and game on one notebook is independent of any others.

Accepted Answer

There would be (5)(4)= 20 poss

Question 6

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
In a recent survey about capital punishment,64% of the respondents said that they support capital punishment.Females comprised 48% of the sample,and of the females,46% supported capital punishment.
-Suppose we select a female respondent,what is the probability that she is not a capital punishment supporter?

Accepted Answer

S = Capital punishment supporter
F = Fem

Question 7

What does the complement rule state?

Accepted Answer

A) That events A and   
are not mutually exclusive 
B) The intersection of events A and   
is the empty set ∅. 
C) That events A and   
are not collectively exhaustive. 
D) The union of events A and   
is the empty set ∅. 
A) That events A and   
are not mutually exclusive 
B) The intersection of events A and   
is the empty set ∅. 
C) That events A and   
are not collectively exhaustive. 
D) The union of events A and   
is the empty set ∅.

Question 8

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Suppose you roll a pair of dice.Let A be the event that you observe an even number.Let B be the event that you observe a number greater than seven.
-What is A ∩   ?

Accepted Answer

A) [9,11] 
B) [8,10,12] 
C) [3,5,7] 
D) [2,4,6] 
A) [9,11] 
B) [8,10,12] 
C) [3,5,7] 
D) [2,4,6]

Question 9

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A table of joint probabilities is shown below,regarding the instructors at the University of Michigan,where the events AS1U1B1iS1U1B0(i = 1,2,3)and BS1U1B1jS1U1B0 (j = 1,2)are defined as follows: AS1U1B11S1U1B0 = Full professor,AS1U1B12S1U1B0 = Associate professor,AS1U1B13S1U1B0 = Assistant professor,BS1U1B11S1U1B0 = Male instructor,and BS1U1B12S1U1B0 = Female instructor.
  
-Calculate the marginal probabilities of events Ai.

Accepted Answer

P(A₁)= 0.25

Question 10

The probability that an employee at a company uses illegal drugs is 0.08.The probability than an employee is male is 0.55.Assuming that these events are independent,what is the probability that a randomly chosen employee is a male drug user?

Accepted Answer

A) 0.742 
B) 0.145 
C) 0.044 
D) 0.006 
A) 0.742 
B) 0.145 
C) 0.044 
D) 0.006

Question 11

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A recent marketing survey tried to relate a consumer's awareness of a new marketing campaign with their rating of the product.Consumers rated their awareness as low,medium,or high,and rated the product as poor,fair,or good.The results are presented below.  
-What is the probability that a consumer had both high awareness and thought the product was poor?

Accepted Answer

The answer of THE NEXT QUESTIONS ARE BASED ON THE...

Question 12

Suppose we select a person who does not support US policy in Iraq,what is the probability that the person is male?

Accepted Answer

Event S: Supports US policy in

Question 13

If A and B are two events,the probability of A,given B,is the same as the probability of B,given A,if the probability of A is the same as the probability of B.

Accepted Answer

A) True 
 B)False

Question 14

If a plane has just left 40 minutes late,what is the probability that it was airline B?

Accepted Answer

P(B | @#IMG-DLM& )= P(B ∩ @#IMG-DLM& )/

Question 15

The distinguishing difference between the terms mutually exclusive and independent is the probability of the intersection of the events.

Accepted Answer

A) True 
 B)False

Question 16

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A supplier is evaluating a firm to manufacture a subassembly.Quality data from past inspections reveal the following probabilities for number of defective parts in a shipment:
  
-What is the probability that there will be fewer than 2 defective parts in a shipment?

Accepted Answer

A) 0.20 
B) 0.90 
C) 0.86 
D) 0.10 
A) 0.20 
B) 0.90 
C) 0.86 
D) 0.10

Question 17

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A stock analyst has provided estimates of a corporation's expected return over the next year.This return is likely to depend on the interest rate,so the analyst has developed the following two-way table.  
-If the interest rate remains below 5%,what is the probability that the corporation's return is at least 8%?

Accepted Answer

(0.15 + 0.16 + 0.17

Question 18

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Suppose you roll a pair of dice.Let A be the event that you observe an even number.Let B be the event that you observe a number greater than seven.
-What is   ∪  
?

Accepted Answer

A) [2,3,4,5,6,7] 
B) [3,5,7] 
C) [2,3,4,5,6,7,9,11] 
D) [2,4,6] 
A) [2,3,4,5,6,7] 
B) [3,5,7] 
C) [2,3,4,5,6,7,9,11] 
D) [2,4,6]

Question 19

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
In a recent survey about capital punishment,64% of the respondents said that they support capital punishment.Females comprised 48% of the sample,and of the females,46% supported capital punishment.
-Suppose we select a capital punishment supporter so that we can ask some follow up questions.What is the probability that the person we select is female?

Accepted Answer

S = Capital punishment support

Question 20

Which of the following statements is true?

Accepted Answer

A) If events A and B are complements,then the intersection of A and the complement of B is the sample space. 
B) If events A and B are mutually exclusive,then the intersection of A and B is the empty set. 
C) If events A and B are mutually exclusive,then the union of A and B is the sample space. 
D) If events A and B are mutually exclusive,then the union of A and B is the empty set. 
A) If events A and B are complements,then the intersection of A and the complement of B is the sample space. 
B) If events A and B are mutually exclusive,then the intersection of A and B is the empty set. 
C) If events A and B are mutually exclusive,then the union of A and B is the sample space. 
D) If events A and B are mutually exclusive,then the union of A and B is the empty set.

If there are six vacant parking places and six automobiles arrive at the same time,in how many different ways they can park?

Classical probability is the proportion of times that an event will occur assuming all outcomes in a sample space have an equal chance to occur.

Relative frequency probability is the number of events in the population that meets conditions multiplied by the total number in the population.

What does the complement rule state?

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: Suppose you roll a pair of dice.Let A be the event that you observe an even number.Let B be the event that you observe a number greater than seven. -What is A ∩ ?

The probability that an employee at a company uses illegal drugs is 0.08.The probability than an employee is male is 0.55.Assuming that these events are independent,what is the probability that a randomly chosen employee is a male drug user?

Suppose we select a person who does not support US policy in Iraq,what is the probability that the person is male?

If A and B are two events,the probability of A,given B,is the same as the probability of B,given A,if the probability of A is the same as the probability of B.

If a plane has just left 40 minutes late,what is the probability that it was airline B?

The distinguishing difference between the terms mutually exclusive and independent is the probability of the intersection of the events.

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: Suppose you roll a pair of dice.Let A be the event that you observe an even number.Let B be the event that you observe a number greater than seven. -What is ∪ ?

Which of the following statements is true?

Describing Data: Graphical

Describing Data: Numerical

Discrete Random Variables and Probability Distributions

Continuous Random Variables and Probability Distributions

Sampling and Sampling Distributions

Estimation: Single Population

Estimation: Additional Topics

Hypothesis Testing: Single Population

Hypothesis Testing: Additional Topics

Simple Regression

Multiple Regression

Additional Topics in Regression Analysis

Analysis of Categorical Data

Analysis of Variance

Time-Series Analysis and Forecasting

Additional Topics in Sampling

Filters

Exam 3: Probability

If there are six vacant parking places and six automobiles arrive at the same time,in how many different ways they can park?

Classical probability is the proportion of times that an event will occur assuming all outcomes in a sample space have an equal chance to occur.

Relative frequency probability is the number of events in the population that meets conditions multiplied by the total number in the population.

What does the complement rule state?

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: Suppose you roll a pair of dice.Let A be the event that you observe an even number.Let B be the event that you observe a number greater than seven. -What is A ∩ ?

The probability that an employee at a company uses illegal drugs is 0.08.The probability than an employee is male is 0.55.Assuming that these events are independent,what is the probability that a randomly chosen employee is a male drug user?

Suppose we select a person who does not support US policy in Iraq,what is the probability that the person is male?

If A and B are two events,the probability of A,given B,is the same as the probability of B,given A,if the probability of A is the same as the probability of B.

If a plane has just left 40 minutes late,what is the probability that it was airline B?

The distinguishing difference between the terms mutually exclusive and independent is the probability of the intersection of the events.

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION: Suppose you roll a pair of dice.Let A be the event that you observe an even number.Let B be the event that you observe a number greater than seven. -What is ∪ ?

Which of the following statements is true?

Describing Data: Graphical

Describing Data: Numerical

Discrete Random Variables and Probability Distributions

Continuous Random Variables and Probability Distributions

Sampling and Sampling Distributions

Estimation: Single Population

Estimation: Additional Topics

Hypothesis Testing: Single Population

Hypothesis Testing: Additional Topics

Simple Regression

Multiple Regression

Additional Topics in Regression Analysis

Analysis of Categorical Data

Analysis of Variance

Time-Series Analysis and Forecasting

Additional Topics in Sampling

Filters