Question 1

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.

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Question 2

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?

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John has two jobs.For daytime work...

Question 3

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?

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

Question 4

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

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

Question 5

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...

Question 6

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 7

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.

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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, 15% of the products require more than minutes for assembly.

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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 more than 19 minutes.

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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.The probability isthat a product is assembled in more than 11 minutes.

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Question 11

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 12

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 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 more than $9,500?

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 between 10 and 12 minutes.

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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 less than 20 minutes.

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Question 16

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.

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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.So, 60% of the products would be assembled within and minutes (symmetrically distributed about the mean).

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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, 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 20

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.

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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.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, 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.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.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.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.The probability isthat a product is assembled in less than 20 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.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 15 and 21 minutes.