Question

In: Statistics and Probability

The wait times (in minutes) at a pharmacy are shown below. It is claimed that the...

The wait times (in minutes) at a pharmacy are shown below. It is claimed that the average waiting time is 65 minutes using a 5% significance level.

73 63 31 18 61 48 76 111 157 76 137 42 42 40 48 62 61 72 31 39.

the value of the statistical test would be + 0. 008?

Calculate the statistical test and answer the question whether this result is true or false.

Solutions

Expert Solution


Related Solutions

A random sample of 16 pharmacy customers showed the waiting times below (in minutes). Also, the...
A random sample of 16 pharmacy customers showed the waiting times below (in minutes). Also, the sample is from a normal population. Note that σ is unknown. 21 22 22 17 21 17 23 20 20 24 9 22 16 21 22 21 The sample mean is 19.875 and the sample standard deviation is 3.65. Which of the following represents the 80 percent confidence interval for µ? Select one: a. [13.75, 25.25] b. [18.65, 21.10] c. [19.55, 20.425] d. [18.8,...
Given below is simple random sample data for wait times, in minutes, for a call center....
Given below is simple random sample data for wait times, in minutes, for a call center. At the 98% confidence level, calculate the confidence interval estimate for the variance in wait time for the population of all calls at the call center. Assume the population is normally distributed. 12.1 11.5 13.4 16.2 11.3 12.2 11.3
A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 26 16...
A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 26 16 25 18 17 24 18 23 14 20 10 18 19 13 17 16 Click here for the Excel Data File Find a 90 percent confidence interval for μ, assuming that the sample is from a normal population. (Round your standard deviation answer to 4 decimal places and t-value to 3 decimal places. Round your answers to 3 decimal places.)    The 90% confidence...
The amount of time (in minutes) that a party hat to wait to be seated in...
The amount of time (in minutes) that a party hat to wait to be seated in a restaurant has an exponential distribution with a mean 15. Find the probability that it will take between 10 and 20 minutes to be seated for a table. If a party has already waited 10 minutes for a table, what is the probability it will be at least another 5 minutes before they are seated? If the restaurant decides to give a free drink...
The following data comparing wait times at two rides at Disney are listed below: Position Pirates...
The following data comparing wait times at two rides at Disney are listed below: Position Pirates Splash Mountain Sample Size 32 30 Average Wait Time (In Minutes) 14.68 18.77 Population Standard Deviation 11.87 16.79 What is the 98% confidence interval for the difference in wait times between pirates and splash mountain? What is the test statistic for testing to see if there is a significant difference in wait times between pirates and splash mountain?
The values listed below are waiting times? (in minutes) of customers at two different banks. At...
The values listed below are waiting times? (in minutes) of customers at two different banks. At Bank? A, customers enter a single waiting line that feeds three teller windows. At Bank? B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.36.3 6.66.6 6.76.7 6.86.8 7.17.1 7.37.3 7.47.4 7.87.8 7.87.8 7.87.8 Bank Upper BBank B 4.24.2 5.45.4 5.85.8 6.26.2 6.76.7 7.77.7 7.77.7 8.68.6 9.39.3 10.010.0 Construct aa...
The values listed below are waiting times​ (in minutes) of customers at two different banks. At...
The values listed below are waiting times​ (in minutes) of customers at two different banks. At Bank​ A, customers enter a single waiting line that feeds three teller windows. At Bank​ B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.4 6.6 6.7 6.8 7.1 7.3 7.4 7.7 7.7 7.7 Bank B 4.1 5.3 5.9 6.2 6.8 7.6 7.6 8.4 9.4 10 Construct a 99​% confidence...
The values listed below are waiting times​ (in minutes) of customers at two different banks. At...
The values listed below are waiting times​ (in minutes) of customers at two different banks. At Bank​ A, customers enter a single waiting line that feeds three teller windows. At Bank​ B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.46.4 6.66.6 6.76.7 6.86.8 7.17.1 7.27.2 7.57.5 7.87.8 7.87.8 7.87.8 Bank Upper BBank B 4.24.2 5.35.3 5.85.8 6.16.1 6.76.7 7.87.8 7.87.8 8.48.4 9.49.4 10.010.0 LOADING... Click...
The data below shows the high temperatures and the times​ (in minutes) runners who won a...
The data below shows the high temperatures and the times​ (in minutes) runners who won a marathon. Answer parts ​a-c. Temperature​ (x) 5858 63 50 62 72 73 50 57 Time​ (y) 1145.882 146.683 145.931 146.604 147.965 144.267 148.503 147.643 a. Find the value of the linear correlation coefficient r. b. Find the critical values of r from the table showing the critical values for the Pearson correlation coefficient using alpha=0.05 c. Is there sufficient evidence to conclude that there...
The values listed below are waiting times​ (in minutes) of customers at two different banks. At...
The values listed below are waiting times​ (in minutes) of customers at two different banks. At Bank​ A, customers enter a single waiting line that feeds three teller windows. At Bank​ B, customers may enter any one of three different lines that have formed at three teller windows. Answer the following questions. Bank A 6.5 6.6 6.7 6.8 7.1 7.3 7.6 7.9 7.9 7.9 Bank Upper B 4.3 5.3 5.9 6.2 6.8 7.8 7.8 8.4 9.2 10.0 Construct a 95%...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT