Advanced Placement (AP), 19.05.2020 02:15 viuygoiu6446
14. A manager of a local fast food restaurant wants to determine the average amount of time it takes from when a customer enters the drive-through line until they receive their order, regardless of the time of the day and the day of the week. That is, he would like to know the true average drive-through wait time for all his customers. Which of the following methods would be most likely to estimate the desired parameter with low bias and low variability?
(A)Select a random sample of 100 customers over a period of one month, determine each selected customer’s wait time, then compute the average wait time for all 100 customers.
(B)Select a random sample of 100 customers over a weekend, determine each selected customer’s wait time, then compute the average wait time for all 500 customers.
(C) Select a random sample of 500 customers on a randomly selected weekday, determine each selected customer’s wait time, then compute the average wait time for all 500 customers.
(D)Select a random sample of 500 customers over a weekend, determine each selected customer’s wait time, then compute the average wait time for all 500 customers.
(E) Select a random sample of 500 customers over a period of one month, determine each selected customer’s wait time, then compute the average wait time for all 500 customers.
Answers: 3
Advanced Placement (AP), 25.06.2019 15:00, iamsecond235p318rq
Ahypothesis test is conducted with a significance level of 5%. the alternative hypothesis states that more than 65% of a population is right-handed. the p-value for the test is calculated to be 0.03. which of the following statements is correct? we can conclude that more than 3% of the population is right-handed. we cannot conclude that more than 65% of the population is right-handed. we can conclude that more than 65% of the population is right-handed. we can conclude that exactly 3% of the population is right-handed. there is not enough information given to make a conclusion.
Answers: 2
Advanced Placement (AP), 25.06.2019 20:00, jessie9772
In a person dependent on a drug, occurs when the drug leaves his or her system quickly or for a prolonged period of time. a. addiction b. withdrawal c. independence d. relapse
Answers: 2
14. A manager of a local fast food restaurant wants to determine the average amount of time it takes...
Mathematics, 23.09.2019 19:00