Question

To encourage efficiency at a drive through window, a fast food restaurant chain specifies, as a...

To encourage efficiency at a drive through window, a fast food restaurant chain specifies, as a guideline, that at least half of all drive through orders should be taken, prepared, and delivered in 3 minutes or less. Subsequently, a random sample of 64 drive through orders was taken and it was found that 24 of them were taken, prepared and delivered in 3 minutes or less. The remaining orders from the sample took longer than 3 minutes. The fast food company would like to know if they are meeting the specified guideline. Which test should be used?

Single sample test of means with unknown variance (standard deviation)

Two sample test of proportions

Single sample test of proportions

Two sample test of means with unknown variance (standard deviation)

Homework Answers

Answer #1

Ans :

Single sample test of proportions

                                                                                                                                      

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
at the drive thru window of a local fast food restaurant there is an 85% chance...
at the drive thru window of a local fast food restaurant there is an 85% chance that a customer will be satisfied with the service they received. Consider a random sample of 20 drive thru customers. assuming the results are independent, find the probability that a) at least 19 of the 20 drive thru customers are satisfied with the service they received. P = b)Calculate the mean and standard deviation of the random variable. please show work!!
You are the manager of a restaurant for a​ fast-food franchise. Last​ month, the mean waiting...
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 3.41 ​minutes, with a sample standard deviation of 0.8 minute. Find the​ p-value. p-value= ( ) ​(Round to...
28. You are the manager of a restaurant for a​ fast-food franchise. Last​ month, the mean...
28. 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 3.99 minutes, with a sample standard deviation of 0.9 minute. At the 0.10 level of​ significance, is...
Intermediate Statistics In a study of the accuracy of fast food drive through orders, one restaurant...
Intermediate Statistics In a study of the accuracy of fast food drive through orders, one restaurant had 34 orders that were not accurate among 388 orders observed. Use a 0.05 significance level to test the claim that the rate of inaccurate orders is equal to 10%.. 1. Does the accuracy rate appear to be acceptable? what is the conclusion of this hypothesis test. 2. What is the null and alternative hypothesis for this test? 3.  
In a study of the accuracy of fast food​ drive-through orders, one restaurant had 3333 orders...
In a study of the accuracy of fast food​ drive-through orders, one restaurant had 3333 orders that were not accurate among 352352 orders observed. Use a 0.050.05 significance level to test the claim that the rate of inaccurate orders is equal to​ 10%. Determine the test statistic
You are the manager of a restaurant for a fast-food franchise. Last month, the mean waiting...
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. 1- At a 95% confidence level, is...
In a study of tbe accuracy of fast food drive through orders, one restaurant had 39...
In a study of tbe accuracy of fast food drive through orders, one restaurant had 39 orders that were not accurate among 301 orders observed. Use a 0.01 significance level to test the claim the rate of inaccurate orders is equal to 10%. a.) Identifty the test static for this hypotbesis test b.) Identitfy the P Value
in a study of the accuracy of fast food drive through orders, one restaurant had 34...
in a study of the accuracy of fast food drive through orders, one restaurant had 34 orders that were not accurate among 374 orders observed. use a 0.01 significance level to test the claim that the rate of inaccurate orders is equal to 10%. does the accuracy rate appear to be acceptable? A) identify the null and alternative hypothesis for this test? B) identify the test statistic for this hypothesis test is? C) the P-value for this hypothesis test is?...
In a study of the accuracy of fast food​ drive-through orders, Restaurant A had 238 accurate...
In a study of the accuracy of fast food​ drive-through orders, Restaurant A had 238 accurate orders and 58 that were not accurate. a. Construct a 90​% confidence interval estimate of the percentage of orders that are not accurate. b. Compare the results from part​ (a) to this 90​% confidence interval for the percentage of orders that are not accurate at Restaurant​ B: 0.174 less than p less than 0.259. What do you​ conclude?
A fast-food franchise is considering operating a drive-up window food-service operation. Assume that customer arrivals follow...
A fast-food franchise is considering operating a drive-up window food-service operation. Assume that customer arrivals follow a Poisson probability distribution, with an arrival rate of 24 cars per hour, and that service times follow an exponential probability distribution. Arriving customers place orders at an intercom station at the back of the parking lot and then drive to the service window to pay for and receive their orders. The following three service alternatives are being considered: System A: A single-server operation...