Deck 4: Relationships and Sexuality

Question 1

The process of measuring or observing an activity for the purpose of collecting data is known as a(n)

A)sample space.
B)experiment.
C)simple probability.
D)simple event.

Answer 1

experiment.

Question 2

A multiple choice test has 12 questions, with each question having five choices. The number of different ways a student can answer the 12 questions is------ .

A)792
B)480
C)95,040
D)128

Answer 2

792

Question 3

A psychology class consists of 14 business students and 21 non-business students. Sixteen students in this class are male. Eight students are both female and business majors. The number of men in the class who are not business majors is----- .

A)10
B)6
C)11
D)8

Answer 3

10

Question 4

According to a recent survey, 70% of 18- to 34-year- olds do not keep a budget. A random sample of six 18- to 34-year- olds was selected. The probability that all six do not keep a budget is ------.

A)0.240
B)0.078
C)0.333
D)0.118

Question 5

If a customer at a particular grocery store uses coupons, there is a 50% probability that the customer will pay with a debit card. Thirty percent of customers use coupons and 35% of customers pay with debit cards. Given that a customer pays with a debit card, the probability that the same customer uses coupons is ------- .

A)0.60
B)0.22
C)0.43
D)0.72

Question 6

The _________of Events A and B represents the number of instances in which both Events A and B occur at the same time.

A)union
B)complement
C)addition
D)intersection

Question 7

-------are the number of different ways in which objects can be arranged without regard to order.

A)Permutations
B)Simple events
C)Random variables
D)Combinations

Question 8

Two six-sided die are rolled. Calculating the probability of the sum of the two die being a 10 is an example of using _______ probability.

A)empirical
B)simple
C)classical
D)subjective

Question 9

Two events are considered to be ----- if they cannot occur at the same time during the experiment.

A)dependent
B)collectively exhaustive
C)independent
D)mutually exclusive

Question 10

If a household has at least one cat, there is a 30% probability that the household has at least one dog. Thirty percent of households have at least one cat and 33% of households have at least one dog. Given that a household has at least one dog, the probability that the same household has at least one cat is _______ .

A)0.27
B)0.17
C)0.48
D)0.06

Question 11

-------are the number of different ways in which objects can be arranged in order.

A)Random variables
B)Combinations
C)Simple events
D)Permutations

Question 12

-------- probability represents the likelihood of a single event occurring by itself.

A)Empirical
B)Subjective
C)Classical
D)Simple

Question 13

Calculating the probability of drawing three aces with a random sample of five cards from a standard 52-card deck is using ------ probability.

A)classical
B)empirical
C)simple
D)subjective

Question 14

A textbook sales representative is responsible for 25 schools and needs to choose three of these schools to work with today. The number of different ways he can schedule a time to call these schools is ------- .

A)13,800
B)2,300
C)26,369
D)15,625

Question 15

---------- probability is the probability of Event A occurring without any additional information that could influence the event.

A)Posterior
B)Prior
C)Subjective
D)Conditional

Question 16

------------ probability is used when we rely on experience and intuition to estimate the likelihood of an event.

A)Subjective
B)Empirical
C)Classical
D)Simple

Question 17

-------probability is used when we know the number of possible outcomes of the event of interest and the total number of possible outcomes in the sample space.

A)Empirical
B)Classical
C)Simple
D)Subjective

Question 18

Thirty-five percent of customers at a restaurant order an alcoholic drink and an appetizer with dinner. Ten percent of customers do not order alcoholic drink or an appetizer with dinner. Sixty-five percent of diners order an appetizer with dinner. The percentage of customers who order an alcoholic drink but do not order an appetizer is ______ .

A)0.12
B)0.30
C)0.25
D)0.35

Question 19

---------probability is the probability of Event A occurring knowing that Event B has already occurred.

A)Joint
B)Marginal
C)Conditional
D)Prior

Question 20

The law of large numbers states that when an experiment is conducted a large number of times, the ______ probabilities of the process will converge to the _____ probabilities.

A)subjective, classical
B)empirical, subjective
C)empirical, classical
D)classical, subjective

Question 21

If a household has at least one cat, there is a 30% probability that the household has at least one dog. Thirty percent of households have at least one cat and 33% of households have at least one dog. Given that a household does not have at least one dog, the probability that the same household does not have at least one cat is --------.

A)0.54
B)0.61
C)0.37
D)0.69

Question 22

According to a survey of business executives, 78% received a pay raise when they asked for one. A random sample of four executives was selected. The probability that all four received a raised when they asked for one is------- .

A)0.127
B)0.237
C)0.370
D)0.056

Question 23

Alison is the chair of a business department that consists of nine full-time faculty. She needs to schedule a meeting with each faculty to review their performance over the past year. The number of different ways these nine faculty can be scheduled is ------- .

A)362,880
B)3,628,880
C)162,500
D)40,320

Question 24

At the beginning of a Major League Baseball season, a panel of sports writers decided that the Los Angeles Dodgers were the most likely team to win the World Series that year. This is an example of using -------- probability.

A)classical
B)empirical
C)simple
D)subjective

Question 25

The------ states that if there are k1 choices for the first event, k2 choices for the second event, . . ., and kn choices for the nth event, then the total number of possible outcomes are (k1)(k2)(k3). . . (kn).

A)empirical rule
B)fundamental counting principle
C)addition rule
D)law of large numbers

Question 26

There are 30 Major League Baseball teams in the National League. Five of these teams will make the playoffs at the end of the season. The number of unique groups of teams that can make the playoffs is ---------.

A)752,988
B)142,506
C)252,640
D)17,100,720

Question 27

The probability of winning a 5/25 lottery game where 5 numbers are picked from a range of 25 is ---------.

A)1/53,130
B)1/6,375,600
C)1/32,852
D)1/353,775

Question 28

Which one of the following is not a valid number for a probability?

A)0
B)1.50
C)17%
D)0.63

Question 29

The probability of the intersection of two events is known as a _______ probability.

A)simple
B)marginal
C)joint
D)prior

Question 30

Ten percent of customers who walk into a golf store purchase a golf club and 30% of customers purchase golf balls. Six percent of customers purchase both clubs and balls. The percentage of customers who do not purchase clubs or balls is ______________.

A)0.35
B)0.41
C)0.24
D)0.66

Question 31

According to a recent survey, 38% of U.S. households used only cell phones for their phone service. A random sample of four households was selected. The probability that the first three used only cell phones and the third had a landline is----- .

A)0.195
B)0.034
C)0.070
D)0.154

Question 32

Suppose the Department of Labor reported that there was a 50% probability that the unemployment rate would drop below 8% by the end of the calendar year. This is an example of using ------ probability.

A)subjective
B)empirical
C)simple
D)classical

Question 33

---------- probability requires that you count the frequency that an event occurs through an experiment and calculate the probability from the experiment's relative frequency distribution.

A)Subjective
B)Empirical
C)Classical
D)Simple

Question 34

Which one of the following statements about probability is not true?

A)The probability of any event must range from 0 to 1.
B)If Events A and B are mutually exclusive, then Event A or Event B must occur.
C)If P(A)= 1, then with certainty, Event A must occur.
D)If P(A)= 0, then with certainty, Event A will not occur.

Question 35

After Bill attends the first statistics class of the semester and reads the syllabus, he decides that the most likely grade he will receive for the course is a "B". This is an example of using ------- probability.

A)subjective
B)empirical
C)simple
D)classical

Question 36

The Western Athletic Conference (WAC)consists of eight NCAA teams that compete in a variety of sports. The number of different ways these eight teams can finish in the conference standings at the end of the basketball season is --------.

A)40,320
B)3,628,880
C)362,880
D)162,500

Question 37

There are 23 golfers participating in a weekend tournament. Prizes are awarded to the first, second, third, and fourth place finishers. The number of different ways these four places can be filled by those playing over the weekend is ------- .

A)8,855
B)70,256
C)3,450
D)212,520

Question 38

Craftsman sells 10-digit keypads that are installed on homes to open the garage door. The consumer chooses a 5-number code when programming the keypad. The total number of codes that the consumer can choose from is ______.

A)100,000
B)57,128
C)30,240
D)252

Question 39

The ------- of Events A and B represent the number of instances in which either Event A or Event B or both occur together.

A)complement
B)union
C)addition
D)intersection

Question 40

Two six-sided die are rolled. The probability of the sum of the two die being a 10 is ------ .

A)0.111
B)0.083
C)0.139
D)0.056

Question 41

Joint probability is another term used for simple probability.

Question 42

An event represents all of the possible outcomes of an experiment.

Question 43

The ______of Events A and B represents the number of instances in which both Events A and B occur at the same time.

A)addition
B)union
C)complement
D)intersection

Question 44

Two events are considered independent of one another if the occurrence of one event has no impact on the occurrence of the other event occurring.

Question 45

You can conclude that, because events are not independent, they will be mutually exclusive.

Question 46

The event "the first two customers in the store today will pay with cash" is an example of a simple event.

Question 47

The probability that Event A and Event B will occur refers to the union of Event A and Event B.

Question 48

When the order of objects is important, use permutations.

Question 49

The addition rule for probabilities is used to calculate the probability of the union of events.

Question 50

Consider the following events:
Event A = The survey respondent is a registered Republican. Event B = The survey respondent lives in Ohio.
Events A and B are mutually exclusive.

Question 51

A computer system for an organization generates four-letter temporary passwords. The total number of passwords that the system can generate is ________.

A)456,976
B)358,800
C)14,950
D)none of the above

Question 52

Decision tables are used to display marginal and joint probabilities from a contingency table.

Question 53

Consider the following events:
Event A = The survey respondent is less than 40 years old. Event B = The survey respondent is 40 years or older.
Events A and B are mutually exclusive and collectively exhaustive.

Question 54

The sum of all the probabilities for the simple events in the sample space must be equal to 1.

Question 55

When two events are independent, the probability of them both occurring is simply the product of their individual probabilities of occurring.

Question 56

A probability is a numerical value that indicates the chance, or likelihood, of a specific event occurring.

Question 57

The probability of the union of two events occurring can never be more than the probability of the intersection of two events occurring.

Question 58

A frequency table indicates the number of occurrences of events that are classified according to two categorical variables.

Question 59

An event with a single outcome in its most basic form that cannot be simplified is known as a simple probability.

Question 60

The event "the first customer in the store today will be a female" is an example of a simple event.

Question 61

A single die is rolled many times and the side that faces up is recorded. Eventually, we expect the number of times that we observe a 1, 2, 3, 4, 5, and 6 to be relatively close to one another. This expectation is due to the law of large numbers.

Question 62

The complement to Event A is defined as all of the outcomes in the sample space that are not part of Event A.

Question 63

Events A and B are considered to be dependent events if the probability of Event A given the occurrence of Event B is equal to the probability of Event A occurring.

Question 64

A sample space is described as mutually exclusive if it includes every possible simple event that can occur.

Question 65

If the occurrence of one event affects the occurrence of another event, the events are considered mutually exclusive.

Question 66

The only forms of payment that a particular grocery store accepts are cash, debit card, and credit card. The sample space {cash, credit card} is not collectively exhaustive in this example.

Question 67

Two events cannot be both independent and mutually exclusive.

Question 68

A conditional probability is also known as a posterior probability, which is a revision of the prior probability using additional information.

Question 69

The probability that Event A or Event B will occur refers to the union of Event A and Event B.