Question 1

A new model car from Ford Motor Company offers a keyless entry system that utilizes a four-letter code.How many different possible combinations are there for the code?

Accepted Answer

The answer of A new model car from Ford Motor...

Question 2

SCENARIO 4-12 Jake woke up late in the morning on the day that he has to go to school to take an important test. He can either take the shuttle bus which is usually running late 20% of the time or ride his unreliable motorcycle which breaks down 40% of the time.He decides to toss a fair coin to make his choice.
-Referring to Scenario 4-12, if Jake is late to the test, what is the probability that he took the bus?

Accepted Answer

The answer of SCENARIO 4-12 Jake woke up late in...

Question 3

SCENARIO 4-12 Jake woke up late in the morning on the day that he has to go to school to take an important test. He can either take the shuttle bus which is usually running late 20% of the time or ride his unreliable motorcycle which breaks down 40% of the time.He decides to toss a fair coin to make his choice.
-Referring to Scenario 4-12, if Jake, in fact, gets to the test on time, what is the probability that he took the bus?

Accepted Answer

The answer of SCENARIO 4-12 Jake woke up late in...

Question 4

SCENARIO 4-12 Jake woke up late in the morning on the day that he has to go to school to take an important test. He can either take the shuttle bus which is usually running late 20% of the time or ride his unreliable motorcycle which breaks down 40% of the time.He decides to toss a fair coin to make his choice.
-Referring to Scenario 4-12, if Jake is late to the test, what is the probability that he rode his bike?

Accepted Answer

The answer of SCENARIO 4-12 Jake woke up late in...

Question 5

SCENARIO 4-11 A sample of 300 adults is selected.The contingency table below shows their registration status and their preferred source of information on current events. 
-Referring to Scenario 4-11, if a randomly selected adult is a registered voter, what is the probability that he/she prefers to get his/her current information from the newspapers?

Accepted Answer

The answer of SCENARIO 4-11 A sample of 300 adults...

Question 6

Eleven freshmen are to be assigned to eleven empty rooms in a student dormitory.Each room is considered unique so that it matters who is being assigned to which room.How many different ways can those eleven freshmen be allocated?

Accepted Answer

The answer of Eleven freshmen are to be assigned to...

Question 7

An investment consultant is recommending a certain class of mutual funds to the clienteles based on its exceptionally high probability of gain.It is an ethical practice to explain to the clienteles what the meaning of probability is.

Accepted Answer

It is an ethical practice to provide clients with a clear understanding of financial concepts and terminology, including the meaning of probability, when making investment recommendations. This allows clients to make informed decisions and manage their expectations regarding potential gains and losses.

Question 8

SCENARIO 4-11 A sample of 300 adults is selected.The contingency table below shows their registration status and their preferred source of information on current events. 
-Referring to Scenario 4-11, is the preferred source of current information independent of the voting registration status?

Accepted Answer

The answer of SCENARIO 4-11 A sample of 300 adults...

Question 9

An investment consultant is recommending a certain class of mutual funds to the clienteles based on its exceptionally high probability of gain.It is an ethical practice to explain to the clienteles what the basis of her probability estimate is.

Accepted Answer

It is important for investment consultants to be transparent about their methods and reasoning behind their recommendations. This helps clients make informed decisions and builds trust between the consultant and the client.

Question 10

At the International Pancakes Hut, there are 4 different ways to have an egg cooked, 7 different choices of pancakes, 5 different types of syrups and 8 different beverages.How many different ways are there to order an egg, a pancake with a choice of syrup and a beverage?

Accepted Answer

The answer of At the International Pancakes Hut, there are...

Question 11

SCENARIO 4-11 A sample of 300 adults is selected.The contingency table below shows their registration status and their preferred source of information on current events. 
-Referring to Scenario 4-11, what is the probability that an adult who prefers to get his/her current information from the internet will be a registered voter?

Accepted Answer

The answer of SCENARIO 4-11 A sample of 300 adults...

Question 12

SCENARIO 4-11 A sample of 300 adults is selected.The contingency table below shows their registration status and their preferred source of information on current events. 
-Referring to Scenario 4-11, if an adult is selected at random, what is the probability that he/she is a registered voter?

Accepted Answer

The answer of SCENARIO 4-11 A sample of 300 adults...

Question 13

SCENARIO 4-11 A sample of 300 adults is selected.The contingency table below shows their registration status and their preferred source of information on current events. 
-Referring to Scenario 4-11, if an adult is selected at random, what is the probability that he/she is a not a registered voter or does not prefer to get his/her current information from the internet?

Accepted Answer

The answer of SCENARIO 4-11 A sample of 300 adults...

Question 14

SCENARIO 4-11 A sample of 300 adults is selected.The contingency table below shows their registration status and their preferred source of information on current events. 
-Referring to Scenario 4-11, if an adult is selected at random, what is the probability that he/she is a registered voter or prefers to get his/her current information from radio?

Accepted Answer

The answer of SCENARIO 4-11 A sample of 300 adults...

Question 15

There are 10 finalists at a national dog show.How many different orders of finishing can there be for all the 10 finalists?

Accepted Answer

The answer of There are 10 finalists at a national...

Question 16

SCENARIO 4-11 A sample of 300 adults is selected.The contingency table below shows their registration status and their preferred source of information on current events. 
-Referring to Scenario 4-11, if an adult is selected at random, what is the probability that he/she is a registered voter who prefers to get his/her current information from the television?

Accepted Answer

The answer of SCENARIO 4-11 A sample of 300 adults...

Question 17

SCENARIO 4-12 Jake woke up late in the morning on the day that he has to go to school to take an important test. He can either take the shuttle bus which is usually running late 20% of the time or ride his unreliable motorcycle which breaks down 40% of the time.He decides to toss a fair coin to make his choice.
-Referring to Scenario 4-12, if Jake, in fact, gets to the test on time, what is the probability that he rode his bike?

Accepted Answer

The answer of SCENARIO 4-12 Jake woke up late in...

Question 18

SCENARIO 4-11 A sample of 300 adults is selected.The contingency table below shows their registration status and their preferred source of information on current events. 
-Referring to Scenario 4-11, if an adult is selected at random, what is the probability that he/she is a registered voter who does not prefer to get his/her current information from the internet?

Accepted Answer

The answer of SCENARIO 4-11 A sample of 300 adults...

Question 19

An investment consultant is recommending a certain class of mutual funds to the clienteles based on its exceptionally high probability of gain.It is an unethical practice not to also recommend a class of mutual funds with an exceptionally high probability of loss.

Accepted Answer

Recommending investments based on their potential for gain is a standard practice in financial advising. Ethical practice requires the consultant to disclose risks associated with any investment, but not necessarily to recommend options with a high probability of loss.

Question 20

SCENARIO 4-11 A sample of 300 adults is selected.The contingency table below shows their registration status and their preferred source of information on current events. 
-Referring to Scenario 4-11, if an adult is selected at random, what is the probability that he/she prefers to get his/her current information from the internet?

Accepted Answer

The answer of SCENARIO 4-11 A sample of 300 adults...

Quiz 4: Basic Probability

A new model car from Ford Motor Company offers a keyless entry system that utilizes a four-letter code.How many different possible combinations are there for the code?

Eleven freshmen are to be assigned to eleven empty rooms in a student dormitory.Each room is considered unique so that it matters who is being assigned to which room.How many different ways can those eleven freshmen be allocated?

An investment consultant is recommending a certain class of mutual funds to the clienteles based on its exceptionally high probability of gain.It is an ethical practice to explain to the clienteles what the meaning of probability is.

SCENARIO 4-11 A sample of 300 adults is selected.The contingency table below shows their registration status and their preferred source of information on current events. -Referring to Scenario 4-11, is the preferred source of current information independent of the voting registration status?

An investment consultant is recommending a certain class of mutual funds to the clienteles based on its exceptionally high probability of gain.It is an ethical practice to explain to the clienteles what the basis of her probability estimate is.

At the International Pancakes Hut, there are 4 different ways to have an egg cooked, 7 different choices of pancakes, 5 different types of syrups and 8 different beverages.How many different ways are there to order an egg, a pancake with a choice of syrup and a beverage?

SCENARIO 4-11 A sample of 300 adults is selected.The contingency table below shows their registration status and their preferred source of information on current events. -Referring to Scenario 4-11, if an adult is selected at random, what is the probability that he/she is a registered voter?

There are 10 finalists at a national dog show.How many different orders of finishing can there be for all the 10 finalists?

An investment consultant is recommending a certain class of mutual funds to the clienteles based on its exceptionally high probability of gain.It is an unethical practice not to also recommend a class of mutual funds with an exceptionally high probability of loss.