BUS 271-400 Business Statistics 07/25/2019 Assignment 4 For questions 1-3 please give the and..

BUS 271-400 Business Statistics 07/25/2019 Assignment 4 For questions 1-3 please give the and alternative hypotheses. 1. You run a cattle ranch. The average cow on your ranch weighed 2200 lbs. However, you start using a new brand of feed for your cattle, and want to determine if the feed has increased average weight of your cattle. 2. Last year the average cost to fly from Huntsville to Munich, Germany was $1256. You think that the average cost is not the same as it was last year. 3. The company that makes your phone claims that the battery lasts for at least 16 hours, but you think that

BUS 271-400 Business Statistics 07/25/2019 Assignment 4 For questions 1-3 please give the and alternative hypotheses. 1. You run a cattle ranch. The average cow on your ranch weighed 2200 lbs. However, you start using a new brand of feed for your cattle, and want to determine if the feed has increased average weight of your cattle. 2. Last year the average cost to fly from Huntsville to Munich, Germany was $1256. You think that the average cost is not the same as it was last year. 3. The company that makes your phone claims that the battery lasts for at least 16 hours, but you think that it does not last that long. 4. What is the difference between a Type I and a Type II error? 5. You run a small business, and you believe that your revenues have been going up. In the past you made an average of $4500 cach week. You have recently taken the data on the revenue for 30 weeks and calculated a mean of $5300 and a standard deviation of $1700. A) State your and alternative hypotheses B) Carry out the test with a 0.05 C) What would it mean if the truth was that your revenues had not gone up? 6. You run a small trucking company that transports goods from Bristol, TN to Winslow, AZ. This trip should take 32 hours and 16 minutes (1936 minutes) if done in accordance with safety regulations. However, you believe that your employees have not been following these rules, because they are completing the trip too quickly. You decide to test your hypothesis. You record the time it takes for your employees to make the trip and record the following results. -1736 minutes s 635 n 46 A) State your and alternative hypotheses B) Carry out the test with a=0.05, and state your conclusion C) Carry out the test with a =0.01, and state your conclusion