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single population mean μ. waiting in Line. The mean waiting time at the drive-through of a...
6. The mean waiting time at the drive-through of a fast-food restaurant from the time an...
6. The mean waiting time at the drive-through of a fast-food restaurant from the time an order is placed to the time the order is received is 84.3 seconds. A manager devises a new drive-through system that he believes will decrease the wait time. He initiates the new system at his restaurant and measures the wait time for 10 randomly selected orders. The wait times are in the following table: 108.5 67.4 58.0 75.9 65.1 80.4 95.5 86.3 70.9 72.0...
The mean waiting time at the drive-through of a fast-food restaurant from the time an order...
The mean waiting time at the drive-through of a fast-food restaurant from the time an order is placed to the time the order is received is 86.8 seconds. A manager devises a new drive-through system that he believes will decrease wait time. He initiates the new system and measures the wait time for 10 randomly selected orders. The wait times are 88.5 78.4 78.0 75.9 85.1 82.4 95.5 86.3 74.9 72.0. (a) State the null and alternative hypotheses (b) Perform...
please help. thank u The mean waiting time at the drive-through of a fast food restaurant...
please help. thank u
The mean waiting time at the drive-through of a fast food restaurant from the time an orders placed to the time the order is received is 84 2 seconds. A manager devises a new drive through system that the believes will decrease wait time As a test the initiates the new system at her restaurant and measures the wait time for 10 randomly selected orders. The wait times are provided in the table to the right...
10. (16 pts) The mean waiting time at the drive-through of a fast-food restaurant was 84.3...
10. (16 pts) The mean waiting time at the drive-through of a fast-food restaurant was 84.3 seconds last year. The manager wants to know whether the mean waiting time is reduced. She randomly selects a sample of customers and their waiting times are as follows: 108.5 67.4 58.0 75.9 65.1 80.4 95.5 86.3 70.9 72.0 What is the population? What is the sample? At the α = 0.05 level of significance, determine whether there is evidence that the...
The mean waiting time at the drive-through of a fast-food restaurant from the time the food...
The mean waiting time at the drive-through of a fast-food restaurant from the time the food is ordered to when it is received is 85 seconds. A manager devises a new system that he believes will decrease the wait time. He implements the new system and measures the wait time for 10 randomly sampled orders. They are provided below: 109 67 58 76 65 80 96 86 71 72 Assume the population is normally distributed. (a) Calculate the mean and...
(10 pts) The mean waiting time at the drive-through of a fast-food restaurant from the time...
(10 pts) The mean waiting time at the drive-through of a fast-food restaurant from the time the food is ordered to when it is received is 85 seconds. A manager devises a new system that he believes will decrease the wait time. He implements the new and measures the wait time for 10 randomly sampled orders. They are provided below: system 109 67 58 76 65 80 96 86 71 72 Assume the population is normally distributed. (a) Calculate the...
The mean waiting time at the drive-through of a fast-food restaurant from the time an order...
The mean waiting time at the drive-through of a fast-food restaurant from the time an order is placed to the time the order is received is 85.2 seconds. A manager devises a new drive-through system that she believes will decrease wait time. As a test, she initiates the new system at her restaurant and measures the wait time for 10 randomly selected orders. The wait times are provided in the table to the right. Complete parts (a) and (b) below....
Thanks a lot for your kind help with this question. 3 [10] The mean waiting time...
Thanks a lot for your kind help with this question.
3 [10] The mean waiting time at the drive-through of a fast food restaurant from the time an order is placed to the time the order is received is 89.7 seconds. Amanager devises a new drive-through system that she believes will decrease wait time. As a test, she initiates the new system at her restaurant and measures the wait time for 10 randomly selected orders. The wait times are provided...
Also to find the P value Thank you!!! The mean waiting time at the drive-through of...
Also to find the P value
Thank you!!!
The mean waiting time at the drive-through of a fast-food restaurant from the time an order is placed to the time the order is received is 83.5 seconds. A manager devises a new drive-through system that she believes will decrease wait time. As a test, she initiates the new system at her restaurant and measures the wait time for 10 randomly selected orders. The wait times are provided in the table to...
The mean waiting time at the drive-through of a fast-food restaurant from the time an order...
The mean waiting time at the drive-through of a fast-food restaurant from the time an order is placed to the time the order is received is 85.5 85.5 seconds. A manager devises a new drive-through system that she she believes will decrease wait time. As a test, she she initiates the new system at her her restaurant and measures the wait time for 10 10 randomly selected orders. The wait times are provided in the table to the right. Complete...
6. The mean waiting time at the drive-through of a fast-food restaurant from the time an order is placed to the time the order is received is 84.3 seconds. A manager devises a new drive-through system that he believes will decrease the wait time. He initiates the new system at his restaurant and measures the wait time for 10 randomly selected orders. The wait times are in the following table: 108.5 67.4 58.0 75.9 65.1 80.4 95.5 86.3 70.9 72.0...
please help. thank u
The mean waiting time at the drive-through of a fast food restaurant from the time an orders placed to the time the order is received is 84 2 seconds. A manager devises a new drive through system that the believes will decrease wait time As a test the initiates the new system at her restaurant and measures the wait time for 10 randomly selected orders. The wait times are provided in the table to the right...
The mean waiting time at the drive-through of a fast-food restaurant from the time the food is ordered to when it is received is 85 seconds. A manager devises a new system that he believes will decrease the wait time. He implements the new system and measures the wait time for 10 randomly sampled orders. They are provided below: 109 67 58 76 65 80 96 86 71 72 Assume the population is normally distributed. (a) Calculate the mean and...
(10 pts) The mean waiting time at the drive-through of a fast-food restaurant from the time the food is ordered to when it is received is 85 seconds. A manager devises a new system that he believes will decrease the wait time. He implements the new and measures the wait time for 10 randomly sampled orders. They are provided below: system 109 67 58 76 65 80 96 86 71 72 Assume the population is normally distributed. (a) Calculate the...
The mean waiting time at the drive-through of a fast-food restaurant from the time an order is placed to the time the order is received is 85.2 seconds. A manager devises a new drive-through system that she believes will decrease wait time. As a test, she initiates the new system at her restaurant and measures the wait time for 10 randomly selected orders. The wait times are provided in the table to the right. Complete parts (a) and (b) below....
Thanks a lot for your kind help with this question.
3 [10] The mean waiting time at the drive-through of a fast food restaurant from the time an order is placed to the time the order is received is 89.7 seconds. Amanager devises a new drive-through system that she believes will decrease wait time. As a test, she initiates the new system at her restaurant and measures the wait time for 10 randomly selected orders. The wait times are provided...
Also to find the P value
Thank you!!!
The mean waiting time at the drive-through of a fast-food restaurant from the time an order is placed to the time the order is received is 83.5 seconds. A manager devises a new drive-through system that she believes will decrease wait time. As a test, she initiates the new system at her restaurant and measures the wait time for 10 randomly selected orders. The wait times are provided in the table to...
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