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The manager of a bon recorded the amount of time achustomer sentidurnt bine hours on Monday....
The manager of a bank recorded the amount of time each customer spent waiting in line...
The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The frequency distribution below summarizes the results. Find the standard deviation. Round your answer to one decimal place. Waiting time Number of (minutes) customer 0-under 4 16 4-under 8 12 8-under 12 9 12-under 16 10 16-under 20 0 20-under 24 3 6.0 5.7 7.0 5.4
Find the standard deviation of the data summarized in the given frequency distribution. The manager of...
Find the standard deviation of the data summarized in
the given frequency distribution.
The manager of a bank recorded the amount of time each customer
spent waiting in line during peak business hours one Monday. The
frequency distribution below summarizes the results. Find the
standard deviation. Round your answer to one decimal place.
Group of answer choices
7.0 min
4.5 min
4.8 min
5.0 min
We were unable to transcribe this imageWaiting time Number of (minutes) customer 0-3 4-7 8-11...
QUESTION 1 1 points Save An swer Find the standard deviation of the data summarized in...
QUESTION 1 1 points Save An swer Find the standard deviation of the data summarized in the given frequency distribution. The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The frequency distribution below summarizes the results. Find the standard deviation. Round your answer to one decimal place Waiting time Number of (minutescustomer 0-3 4-7 8 11 12 15 16-19 20-23 12 10 12 0 5.4 5.6 7.0
Find the indicated probability The manager of a bank recorded the amount of time each customer...
Find the indicated probability The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours on Monday. The frequency table below summarizes the results Waiting Time Number of 10 12-15 5 20-33 24-22 If we randomly select one of the customers represented in the table, what is the probability that the waiting time is at least 12 minutes or between 8 and 15 minutes? 0.65 O 0.568 O 0477 0.091
what is the probability that randomly taken customer buys both food and clothes Question 2 of...
what is the probability that randomly taken customer buys both
food and clothes
Question 2 of 20 Question 2 7 points The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday summarizes the results. Find the mean waiting time X of the grouped sample data. . The frequency distribution below Round your answer to one decimal place Waiting Number time (min) customers 0-3 13 4.7 16 8-11 12-15...
The amount of time that customers wait in line during peak hours at one bank is...
The amount of time that customers wait in line during peak hours at one bank is normally distributed with a mean of 12 minutes and a standard deviation of 3 minutes. The percentage of time that the waiting time is less than 16 minutes is equal to the area under the standard normal curve that lies to the of left, 1.33 Oright, 1.08 O left. -1.33 Oright, 1.33
1. Recall that a bank manager has developed a new system to reduce the time customers...
1. Recall that a bank manager has developed a new system to reduce the time customers spend waiting to be served by tellers during peak business hours. The mean waiting time during peak business hours under the current system is roughly 9 to 10 minutes. The bank manager hopes that the new system will have a mean waiting time that is less than six minutes. The mean of the sample of 100 bank customer waiting times in Table 1.9 is...
3. A quality control manager at an amusement park feels that the amount of time that...
3. A quality control manager at an amusement park feels that the amount of time that people spend waiting in line for the American Eagle is too long. To determine if a new loading procedure if effective in reducing wait time, he measure the amount of time people wait in line on 7 days and then measures the amount of time after he implements the new system. the wait times at the same time during the 7 day period and...
1. Recall that a bank manager has developed a new system to reduce the time customers...
1. Recall that a bank manager has developed a new system to reduce the time customers spend waiting for teller service during peak hours. The manager hopes the new system will reduce waiting times from the current 9 to 10 minutes to less than 6 minutes. Suppose the manager wishes to use the random sample of 100 waiting times to support the claim that the mean waiting time under the new system is shorter than six minutes. a. Letting μ...
Yoonie is a personnel manager in a large corporation. Each month she must review 16 of...
Yoonie is a personnel manager in a large corporation. Each month she must review 16 of the employees. From past experience, she has found that the reviews take her approximately four hours each to do with a population standard deviation of 12 hours. (1) What is the mean time to complete one review? QUESTION 2 (2) What is the standard deviation to complete one review? QUESTION 3 (3) What is the probability that one review will take Yoonie from 3.5...
The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The frequency distribution below summarizes the results. Find the standard deviation. Round your answer to one decimal place. Waiting time Number of (minutes) customer 0-under 4 16 4-under 8 12 8-under 12 9 12-under 16 10 16-under 20 0 20-under 24 3 6.0 5.7 7.0 5.4
Find the standard deviation of the data summarized in
the given frequency distribution.
The manager of a bank recorded the amount of time each customer
spent waiting in line during peak business hours one Monday. The
frequency distribution below summarizes the results. Find the
standard deviation. Round your answer to one decimal place.
Group of answer choices
7.0 min
4.5 min
4.8 min
5.0 min
We were unable to transcribe this imageWaiting time Number of (minutes) customer 0-3 4-7 8-11...
QUESTION 1 1 points Save An swer Find the standard deviation of the data summarized in the given frequency distribution. The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The frequency distribution below summarizes the results. Find the standard deviation. Round your answer to one decimal place Waiting time Number of (minutescustomer 0-3 4-7 8 11 12 15 16-19 20-23 12 10 12 0 5.4 5.6 7.0
Find the indicated probability The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours on Monday. The frequency table below summarizes the results Waiting Time Number of 10 12-15 5 20-33 24-22 If we randomly select one of the customers represented in the table, what is the probability that the waiting time is at least 12 minutes or between 8 and 15 minutes? 0.65 O 0.568 O 0477 0.091
what is the probability that randomly taken customer buys both
food and clothes
Question 2 of 20 Question 2 7 points The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday summarizes the results. Find the mean waiting time X of the grouped sample data. . The frequency distribution below Round your answer to one decimal place Waiting Number time (min) customers 0-3 13 4.7 16 8-11 12-15...
The amount of time that customers wait in line during peak hours at one bank is normally distributed with a mean of 12 minutes and a standard deviation of 3 minutes. The percentage of time that the waiting time is less than 16 minutes is equal to the area under the standard normal curve that lies to the of left, 1.33 Oright, 1.08 O left. -1.33 Oright, 1.33
1. Recall that a bank manager has developed a new system to reduce the time customers spend waiting to be served by tellers during peak business hours. The mean waiting time during peak business hours under the current system is roughly 9 to 10 minutes. The bank manager hopes that the new system will have a mean waiting time that is less than six minutes. The mean of the sample of 100 bank customer waiting times in Table 1.9 is...
3. A quality control manager at an amusement park feels that the amount of time that people spend waiting in line for the American Eagle is too long. To determine if a new loading procedure if effective in reducing wait time, he measure the amount of time people wait in line on 7 days and then measures the amount of time after he implements the new system. the wait times at the same time during the 7 day period and...
Yoonie is a personnel manager in a large corporation. Each month she must review 16 of the employees. From past experience, she has found that the reviews take her approximately four hours each to do with a population standard deviation of 12 hours. (1) What is the mean time to complete one review? QUESTION 2 (2) What is the standard deviation to complete one review? QUESTION 3 (3) What is the probability that one review will take Yoonie from 3.5...
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Please solve with excel and mention the excel function.
Thanks
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