Question 1

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. $$\begin{array} { | c | c | c | c | c | c | } 
\hline  &&  { \text { Preferred source of information } } \
\hline  && \text { Television } & \text { Newspapers } & \text { Radio } & \text { Internet } \
\hline \text { Voting registration status } & \text { Registered } & 45 & 30 & 45 & 36 \
\hline  & \text { Not registered } & 35 & 44 & 45 & 20 \
\hline
\end{array}$$
-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 is...

Question 2

Eleven freshmen are to be assigned to eleven empty rooms in a student dormitory.Each roomis 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 3

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 ethical to explain to the clientele what probability means in order to provide them with a clear understanding of the potential risks and returns associated with the investment. This allows the client to make an informed decision and manage their expectations.

Question 4

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 5

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 motorcycle?

Accepted Answer

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

Question 6

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 toalso recommend a class of mutual funds with an exceptionally high probability of loss.

Accepted Answer

It is not unethical to provide recommendations based on potential gains, as long as the consultant discloses the risks associated with the investment. There is no obligation to recommend a class of mutual funds with a high probability of loss.

Question 7

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 motorcycle?

Accepted Answer

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

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. $$\begin{array} { | c | c | c | c | c | c | } 
\hline  &&  { \text { Preferred source of information } } \
\hline  && \text { Television } & \text { Newspapers } & \text { Radio } & \text { Internet } \
\hline \text { Voting registration status } & \text { Registered } & 45 & 30 & 45 & 36 \
\hline  & \text { Not registered } & 35 & 44 & 45 & 20 \
\hline
\end{array}$$
-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 is...

Question 9

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 the...

Question 10

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. $$\begin{array} { | c | c | c | c | c | c | } 
\hline  &&  { \text { Preferred source of information } } \
\hline  && \text { Television } & \text { Newspapers } & \text { Radio } & \text { Internet } \
\hline \text { Voting registration status } & \text { Registered } & 45 & 30 & 45 & 36 \
\hline  & \text { Not registered } & 35 & 44 & 45 & 20 \
\hline
\end{array}$$
-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 is...

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. $$\begin{array} { | c | c | c | c | c | c | } 
\hline  &&  { \text { Preferred source of information } } \
\hline  && \text { Television } & \text { Newspapers } & \text { Radio } & \text { Internet } \
\hline \text { Voting registration status } & \text { Registered } & 45 & 30 & 45 & 36 \
\hline  & \text { Not registered } & 35 & 44 & 45 & 20 \
\hline
\end{array}$$
-Referring to Scenario 4-11, if an adult is selected at random, what is the probability that he/she is a registered voter and prefers to get his/her current information from the television?

Accepted Answer

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

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. $$\begin{array} { | c | c | c | c | c | c | } 
\hline  &&  { \text { Preferred source of information } } \
\hline  && \text { Television } & \text { Newspapers } & \text { Radio } & \text { Internet } \
\hline \text { Voting registration status } & \text { Registered } & 45 & 30 & 45 & 36 \
\hline  & \text { Not registered } & 35 & 44 & 45 & 20 \
\hline
\end{array}$$
-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 is...

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. $$\begin{array} { | c | c | c | c | c | c | } 
\hline  &&  { \text { Preferred source of information } } \
\hline  && \text { Television } & \text { Newspapers } & \text { Radio } & \text { Internet } \
\hline \text { Voting registration status } & \text { Registered } & 45 & 30 & 45 & 36 \
\hline  & \text { Not registered } & 35 & 44 & 45 & 20 \
\hline
\end{array}$$
-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 is...

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. $$\begin{array} { | c | c | c | c | c | c | } 
\hline  &&  { \text { Preferred source of information } } \
\hline  && \text { Television } & \text { Newspapers } & \text { Radio } & \text { Internet } \
\hline \text { Voting registration status } & \text { Registered } & 45 & 30 & 45 & 36 \
\hline  & \text { Not registered } & 35 & 44 & 45 & 20 \
\hline
\end{array}$$
-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 is...

Question 15

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. $$\begin{array} { | c | c | c | c | c | c | } 
\hline  &&  { \text { Preferred source of information } } \
\hline  && \text { Television } & \text { Newspapers } & \text { Radio } & \text { Internet } \
\hline \text { Voting registration status } & \text { Registered } & 45 & 30 & 45 & 36 \
\hline  & \text { Not registered } & 35 & 44 & 45 & 20 \
\hline
\end{array}$$
-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 is...

Question 16

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 the...

Question 17

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

Accepted Answer

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

Question 18

There are only 4 empty rooms available in a student dormitory for eleven new freshmen.Each room is considered unique so that it matters who is being assigned to which room.How many different ways can those 4 empty rooms be filled one student per room?

Accepted Answer

The answer of There are only 4 empty rooms available...

Question 19

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. $$\begin{array} { | c | c | c | c | c | c | } 
\hline  &&  { \text { Preferred source of information } } \
\hline  && \text { Television } & \text { Newspapers } & \text { Radio } & \text { Internet } \
\hline \text { Voting registration status } & \text { Registered } & 45 & 30 & 45 & 36 \
\hline  & \text { Not registered } & 35 & 44 & 45 & 20 \
\hline
\end{array}$$
-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 is...

Question 20

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...

Quiz 4: Basic Probability

Eleven freshmen are to be assigned to eleven empty rooms in a student dormitory.Each roomis 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.

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?

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 toalso recommend a class of mutual funds with an exceptionally high probability of loss.

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

There are only 4 empty rooms available in a student dormitory for eleven new freshmen.Each room is considered unique so that it matters who is being assigned to which room.How many different ways can those 4 empty rooms be filled one student per room?

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