Question 1

SCENARIO 6-2
John has two jobs.For daytime work at a jewelry store he is paid $15,000 per month, plus a commission.His monthly commission is normally distributed with mean $10,000 and standard deviation $2000.At night he works occasionally as a waiter, for which his monthly income is normally distributed with mean $1,000 and standard deviation $300.John's income levels from these two sources are independent of each other.
-Referring to Scenario 6-2, for a given month, what is the probability that John's commission from the jewelry store is more than $9,500?

Accepted Answer

The answer of SCENARIO 6-2
John has two jobs.For daytime work...

Question 2

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.So, 17% of the products would be assembled within minutes.

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Question 3

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.The probability isthat a product is assembled in between 10 and 12 minutes.

Accepted Answer

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Question 4

SCENARIO 6-2
John has two jobs.For daytime work at a jewelry store he is paid $15,000 per month, plus a commission.His monthly commission is normally distributed with mean $10,000 and standard deviation $2000.At night he works occasionally as a waiter, for which his monthly income is normally distributed with mean $1,000 and standard deviation $300.John's income levels from these two sources are independent of each other.
-Referring to Scenario 6-2, for a given month, what is the probability that John's commission from the jewelry store is between $11,000 and $12,000?

Accepted Answer

The answer of SCENARIO 6-2
John has two jobs.For daytime work...

Question 5

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.So, 60% of the products would be assembled within and minutes (symmetrically distributed about the mean).

Accepted Answer

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Question 6

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.The probability isthat a product is assembled in between 16 and 21 minutes.

Accepted Answer

The answer of The amount of time necessary for assembly...

Question 7

SCENARIO 6-2
John has two jobs.For daytime work at a jewelry store he is paid $15,000 per month, plus a commission.His monthly commission is normally distributed with mean $10,000 and standard deviation $2000.At night he works occasionally as a waiter, for which his monthly income is normally distributed with mean $1,000 and standard deviation $300.John's income levels from these two sources are independent of each other.
-Referring to Scenario 6-2, for a given month, what is the probability that John's commission from the jewelry store is no more than $8,000?

Accepted Answer

The answer of SCENARIO 6-2
John has two jobs.For daytime work...

Question 8

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.So, 90% of the products require more than minutes for assembly.

Accepted Answer

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Question 9

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.The probability isthat a product is assembled in between 15 and 21 minutes.

Accepted Answer

The answer of The amount of time necessary for assembly...

Question 10

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.So, 15% of the products require more than minutes for assembly.

Accepted Answer

The answer of The amount of time necessary for assembly...

Question 11

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.So, 70% of the products would be assembled within minutes.

Accepted Answer

The answer of The amount of time necessary for assembly...

Question 12

SCENARIO 6-1
The number of column inches of classified advertisements appearing on Mondays in a certain daily newspaper is normally distributed with population mean of 320 and population standard deviation of
20 inches.
-Referring to Scenario 6-1, for a randomly chosen Monday, what is the probability there will be between 280 and 360 column inches of classified advertisement?

Accepted Answer

The answer of SCENARIO 6-1
The number of column inches of...

Question 13

SCENARIO 6-2
John has two jobs.For daytime work at a jewelry store he is paid $15,000 per month, plus a commission.His monthly commission is normally distributed with mean $10,000 and standard deviation $2000.At night he works occasionally as a waiter, for which his monthly income is normally distributed with mean $1,000 and standard deviation $300.John's income levels from these two sources are independent of each other.
-Referring to Scenario 6-2, for a given month, what is the probability that John's commission from the jewelry store is less than $13,000?

Accepted Answer

The answer of SCENARIO 6-2
John has two jobs.For daytime work...

Question 14

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.The probability isthat a product is assembled in more than 19 minutes.

Accepted Answer

The answer of The amount of time necessary for assembly...

Question 15

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.The probability isthat a product is assembled in more than 11 minutes.

Accepted Answer

The answer of The amount of time necessary for assembly...

Question 16

SCENARIO 6-1
The number of column inches of classified advertisements appearing on Mondays in a certain daily newspaper is normally distributed with population mean of 320 and population standard deviation of
20 inches.
-Referring to Scenario 6-1, for a randomly chosen Monday the probability is 0.1 that there will be less than how many column inches of classified advertisements?

Accepted Answer

The answer of SCENARIO 6-1
The number of column inches of...

Question 17

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.The probability isthat a product is assembled in less than 20 minutes.

Accepted Answer

The answer of The amount of time necessary for assembly...

Question 18

SCENARIO 6-1
The number of column inches of classified advertisements appearing on Mondays in a certain daily newspaper is normally distributed with population mean of 320 and population standard deviation of
20 inches.
-Referring to Scenario 6-1, for a randomly chosen Monday, what is the probability there will be less than 340 column inches of classified advertisement?

Accepted Answer

The answer of SCENARIO 6-1
The number of column inches of...

Question 19

SCENARIO 6-1
The number of column inches of classified advertisements appearing on Mondays in a certain daily newspaper is normally distributed with population mean of 320 and population standard deviation of
20 inches.
-Referring to Scenario 6-1, a single Monday is chosen at random.State in which of the following ranges the number of column inches of classified advertisement is most likely to be:
A)300 --320
B)310 --330
C)320 -- 340
D)330 -- 350

Accepted Answer

The answer of SCENARIO 6-1
The number of column inches of...

Question 20

SCENARIO 6-2
John has two jobs.For daytime work at a jewelry store he is paid $15,000 per month, plus a commission.His monthly commission is normally distributed with mean $10,000 and standard deviation $2000.At night he works occasionally as a waiter, for which his monthly income is normally distributed with mean $1,000 and standard deviation $300.John's income levels from these two sources are independent of each other.
-Referring to Scenario 6-2, for a given month, what is the probability that John's commission from the jewelry store is at least $12,000?

Accepted Answer

The answer of SCENARIO 6-2
John has two jobs.For daytime work...

Quiz 6: The Normal Distribution

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.So, 17% of the products would be assembled within minutes.

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.The probability isthat a product is assembled in between 10 and 12 minutes.

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.So, 60% of the products would be assembled within and minutes (symmetrically distributed about the mean).

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.The probability isthat a product is assembled in between 16 and 21 minutes.

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.So, 90% of the products require more than minutes for assembly.

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.The probability isthat a product is assembled in between 15 and 21 minutes.

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.So, 15% of the products require more than minutes for assembly.

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.So, 70% of the products would be assembled within minutes.

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.The probability isthat a product is assembled in more than 19 minutes.

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.The probability isthat a product is assembled in more than 11 minutes.

The amount of time necessary for assembly line workers to complete a product is a normal variable with a mean of 15 minutes and a standard deviation of 2 minutes.The probability isthat a product is assembled in less than 20 minutes.