subject
Mathematics, 28.10.2020 23:40 sodiumvlogsYT

1. A recent survey by the American Automobile Association showed that a family of two adults and two children on vacation on the United States will pay an average of $247 per day for food and lodging with a standard deviation of $60 per day . Assuming the data are normally distributed, find , to the nearest hundredth , the z score of the following vacation expense amount:

a.) $197 per day. *
A. 0.83
B. -0.83
C. 0.73

2. Based on problem 1. Find the Z score of the following vacation expense amount:

b.) $277 per day *
A. 0.5
B. -0.5
C. 0.4

3. Based on problem 1. Find the Z score of the following vacation expense amount:

c.) $310 per day *
A. 1.04
B. -1.04
C. 1.05

4. If a family from the data set on question 1 had a z score of 1.5, what was their daily expense for food and lodging ? *
A. 347
B. 337
C. 439

5. Use the data from question 1. You can compute the mean food and lodging cost of a 10 days vacation by multiplying the per day mean by 10. What is the mean food and lodging cost for the 10 day vacation?
A. $2460
B. $2450
C. 2470

6. Use the data from question 1. You can compute the standard deviation food and lodging cost of a 10 days vacation by multiplying the per day standard deviation by 10. What is the standard deviation of the distribution for the 10 day vacation?
A. $600
B. $660
C. $500

7. Use the data from question 1. You can compute the standard deviation food and lodging cost of a 10 days vacation by multiplying the per day standard deviation by 10. What is the variance of the distribution for the 10 day vacation? *
A. 35.000
B. 350,000
C. 360,000

Can someone pls answer these 7 for me pls!! I’ll make brainliest!

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.
Answers: 3
question
Mathematics, 21.06.2019 23:30
Astraight water slide is 175 feet above ground and is 200 feet long. what is the angle of depression to the bottom of the slide?
Answers: 1
question
Mathematics, 22.06.2019 01:10
Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?
Answers: 1
question
Mathematics, 22.06.2019 01:30
What is the t intercept of the line given by the equation below y= -10x + 14
Answers: 3
You know the right answer?
1. A recent survey by the American Automobile Association showed that a family of two adults and tw...
Questions
question
Computers and Technology, 03.12.2019 11:31
Questions on the website: 13722363