Since p-value < 0.10 significance level, we have sufficient evidence to reject H0.
Conclusion -
Reject H0. There is sufficient evidence to conclude that the population mean waiting time is
different from 3.9 minutes.
answer state the conclusion You are the manager of a restaurant for a fast-food franchise. Last...
You are the manager of a restaurant for a fast-food franchise. Last month, the mean waiting time at the drive-through window for branches in your geographical region, as measured from the time a customer places an order until the time the customer receives the order, was 3.6 minutes. You select a random sample of 64 orders. The sample mean waiting time is 3.82 minutes, with a sample standard deviation of0.8 minute. Complete parts (a) and (b) below. a. At the...
You are the manager of a restaurant for a fast-food franchise. Last month, the mean waiting time at the drive-through window for branches in your geographical region, as measured from the time a customer places an order until the time the customer receives the order, was 3.8 minutes. You select a random sample of 81 orders. The sample mean waiting time is 3.63 minutes, with a sample standard deviation of 0.9 minute. Complete parts (a) and (b) below. fast-food franchise....
You are the manager of a restaurant for a fast-food franchise. Last month, the mean waiting time at the drive-through window for branches in your geographical region, as measured from the time a customer places an order until the time the customer receives the order, was 3.6 minutes. You select a random sample of 81 orders. The sample mean waiting time is 3.35 minutes, with a sample standard deviation of 0.9 minute. Complete parts (a) and (b) below. a. At...
You are the manager of a restaurant for a fast-food franchise. Last month, the mean waiting time at the drive- through window for branches in your geographical region, as measured from the time a customer places an order until the time the customer receives the order, was 3.7 minutes. You select a random sample of 64 orders. The sample mean waiting time is 3.57 minutes, with a sample standard deviation of 0.8 minute. A) At a 95% confidence level, is...
You are the manager of a restaurant for a fast-food franchise. Last month, the mean waiting time at the drive-through window for branches in your geographical region, as measured from the time a customer places an order until the time the customer receives the order, was 3.7 minutes. You select a random sample of 81 orders. The sample mean waiting time is 3.93 minutes, with a sample standard deviation of 0.9 minute. Complete parts (a) and (b) below. a. At...
APPLYING THE CONCEPTs 9.24 You are the manager of a restaurant for a fast-food franchise. Last month, the mean waiting time at the SELF TEST driv measured from the time a customer places an order until th the customer receives the order, was 3.7 minutes. You select a rand 3.57 minutes, with a sample standard deviation of 0.8 minute. a. At th e-through window for branches in your geographic region, as om sample of 64 orders. The sample mean waiting...
A manager of a pizza restaurant has changed the restaurant's delivery process in an effort to reduce the mean time between the order and completion of delivery from the current 30 minutes. A sample of 49 orders using the new delivery process yields a sample mean of 27.7 minutes and a sample standard deviation of 5 minutes. Complete parts (a) through (d) below. a. Using the critical value approach, at the 0.05 level of significance, is there evidence that the...
You may need to use the appropriate appendix table or technology to answer this question. CCN and ActMedia provided a television channel targeted to individuals waiting in supermarket checkout lines. The channel showed news, short features, and advertisements. The length of the program was based on the assumption that the population mean time a shopper stands in a supermarket checkout line is 8 minutes. A sample of actual waiting times will be used to test this assumption and determine whether...
CCN and ActMedia provided a television channel targeted to individuals waiting in supermarket checkout ines. The channel showed news, short features, and advertisements. The length of the program was based on the assumption that the population mean time a shopper stands in a supermarket checkout line is 8 minutes. A sample of actual waiting times will be used to test this assumption and determine whether actual mean waiting time differs from this standard. (a) Formulate the hypotheses for this application...
You are the manager of a restaurant that delivers pizza to college dormitory rooms. You have just changed your delivery process in an effort to reduce the mean time between the order and completion of delivery from the current 25 minutes. A sample of 36 orders using the new delivery process yields a sample mean of 22.4 minutes and a sample standard deviation of 6 minutes. Perform a hypothesis test to determine if there’s evidence that the population mean delivery...