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You write a new app that can take a picture of someone and automatically draw a funny mustache on them. It takes 3 seconds of time on your server to perform this process. You expect that the time between user requests will follow an exponential distribution with rate ? (requests per second).
(a) What is the maximum request rate? that you can handle if you want the probability that a user will have to wait to be no more than 5%?
(b) How does it change if you improve your funny mustache algorithm to only take 2 seconds?
Use the .05 significance level and the 5 step hypothesis testing process to check if there is a difference in the mean flight times among the three airlines.
Test the claim at alpha-.05 that the average wage has not changed by finding the p-value for the test.
the lifetime in hours of a certain kind of radio tube is a random variable with the probability density function given
It is approximately 300 miles from Chicago, Illinois, to St. Louis, Missouri. allowing for various traffic conditions, a driver can average approximately 60 miles per hour.
An investigator wishes to study the effect of cigarette smoking on the development of myocardial infarction (MI) in women. A sample of 2000 disease-free current smoking women and 100 disease-free ex-smoking women
43 students, 22are sophomores, 28are chemistry majors, and 11are neither. What are the probability that the student is both a sophomore and a chemistry major?
What is the standard deviation of the number of service calls and compute the coefficient of variation of the number of service calls.
Kannon Camera has developed a new camera that it claims can take an average of more than 10 photographs per second. You decide to evaluate the company's claim.
Determine equation in point-intercept form for line that goes through points (8,-1) and (4,3).
Seven employees were included from Area A, 9 from Area B and 12 from Area C. The test statistic was computed to be 4.91. What can we conclude at the 0.05 level?
R1 signifies the first Poisson event time after m (or 1 if there are no Poisson events in [m,1]), then it would be learned that marked position lies between L1 and R1.
The population standard deviation can be assumed known as .24. What is the 95% confidence interval estimate of the mean undergraduate GPA for students admitted to the top graduate business schools.
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