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!
Answers: 1
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1. A recent survey by the American
Automobile Association showed that a family of two adults and tw...
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