Unit 4 Day 10 Ch. 5 Normal Model Test Part #2

Last updated over 4 years ago

15 questions

Unit 4 Day 10 Ch. 5 Normal Model Test Part #2

Last updated over 4 years ago

15 questions

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Give the Normal Model below using the notation N( , )

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use the normal model and the normal curve in the 'show your work' section:

1. enter the corresponding data values in the first row of boxes (7 pts)

2. enter the missing percents in the second row of boxes. (3 pts)

3. enter the percents for our _________________ Rule to show the middle area percents. (3 pts)

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)

What percent of the veterinary bills are from $60 to $80?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)

What is the range of the middle 95% of the veterinary bills?
Use the form: ($10, $15)

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)

What percent of the veterinary bills are between $20 and $140?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)

What percent of the veterinary bills are between $40 and $100?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.

Use your TI-84 Calculator, 2nd, Vars and either Normalcdf( OR InvNorm(

What percent of the veterinary bills were less than $55?
Enter your answer below.
Round your percent answer to one place past the decimal.

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.

Calculate the z-score for veterinary bills that cost $55 and shade the corresponding area for veterinary bills less than $55 in the 'show your work' section.

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use your TI-84 Calculator, 2nd, Vars and either Normalcdf( OR InvNorm(

What was the cutpoint price of veterinary bills in the top 3%?
Enter your answer below.
Round your answer to two places past the decimal since this is money.

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.

Calculate the z-score for the veterinary bills in the top 3% and shade the corresponding area using the 'show your work' section.

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use your TI-84 Calculator, 2nd, Vars and either Normalcdf( OR InvNorm(

What percent of the veterinary bills were between $25 and $65?

Enter your answer below.
Round your percent answer to one place past the decimal.

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use your TI-84 Calculator, 2nd, Vars and either Normalcdf( OR InvNorm(

What is the 95th percentile of veterinary bills?
Enter your answer below.
Round your answer to 2 places past the decimal since this is money.

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use your TI-84 Calculator, 2nd, Vars and either Normalcdf( OR InvNorm(

Is it unusual to have a veterinary bill for $125?
Explain your reasoning with the statistical information that we have been using in class.

A machine that fills cans with soda fills according to a Normal model with mean 12.1 ounces and standard deviation 0.05 ounces.
Use your TI-84 Calculator, 2nd, Vars and either Normalcdf( OR InvNorm(

If the cans claim to have 12 ounces of soda each, what percent of cans are under-filled using the normal model?
Round your percent answer to one place past the decimal.

A machine that fills cans with soda fills according to a Normal model with mean 12.1 ounces and standard deviation 0.05 ounces.

What does it mean in this context to change the standard deviation so it is lower?
(a smaller number, such as s=.01)
Hint: What would the result be in terms of the performance of the machine and the fill of the cans?

Unit 4 Day 10 Ch. 5 Normal Model Test Part #2

Unit 4 Day 10 Ch. 5 Normal Model Test Part #2

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.Give the Normal Model below using the notation N( , )

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)What percent of the veterinary bills are from $60 to $80?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)What percent of the veterinary bills are between $20 and $140?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)What percent of the veterinary bills are between $40 and $100?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.Calculate the z-score for veterinary bills that cost $55 and shade the corresponding area for veterinary bills less than $55 in the 'show your work' section.

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.Calculate the z-score for the veterinary bills in the top 3% and shade the corresponding area using the 'show your work' section.

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.Give the Normal Model below using the notation N( , )

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)What percent of the veterinary bills are from $60 to $80?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)What percent of the veterinary bills are between $20 and $140?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)What percent of the veterinary bills are between $40 and $100?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.Calculate the z-score for veterinary bills that cost $55 and shade the corresponding area for veterinary bills less than $55 in the 'show your work' section.

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.Calculate the z-score for the veterinary bills in the top 3% and shade the corresponding area using the 'show your work' section.

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Give the Normal Model below using the notation N( , )

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)

What percent of the veterinary bills are from $60 to $80?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)

What percent of the veterinary bills are between $20 and $140?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)

What percent of the veterinary bills are between $40 and $100?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.

Calculate the z-score for veterinary bills that cost $55 and shade the corresponding area for veterinary bills less than $55 in the 'show your work' section.

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.

Calculate the z-score for the veterinary bills in the top 3% and shade the corresponding area using the 'show your work' section.

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Give the Normal Model below using the notation N( , )

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)

What percent of the veterinary bills are from $60 to $80?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)

What percent of the veterinary bills are between $20 and $140?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.
Use the information from the Normal Model you created in #2. (not Normalcdf or InvNorm)

What percent of the veterinary bills are between $40 and $100?

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.

Calculate the z-score for veterinary bills that cost $55 and shade the corresponding area for veterinary bills less than $55 in the 'show your work' section.

Costs for standard veterinary services at a local animal hospital follow a Normal model with a mean of $80 and a standard deviation of $20.

Calculate the z-score for the veterinary bills in the top 3% and shade the corresponding area using the 'show your work' section.