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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?
aluminum aircraft parts are always subject to possible corrosion. to prevent corrosion an anodizing solution is often
compute the correlation coefficient for the data below. what is the equation for the regression line if n=7, Ex=69, Ey=528 Exy=4754 and Ex^2=825
let v be the speed in meters per second of an oxygen molecule and let pv be the density function of the speed
for the standard normal distribution shown on the right find the probability of z occuring in the indicated region.its
What are examples in which non-parametric tests are used to analyze business related problems in general, and more specifically, problems related to marketing?
The following frequency table lists the sales of an item and the number of times it has occurred. It was obtained from historical records. Sales/Frequency: 10/100, 15/120, 20/300, 25/350, 30/400, 35/500, 40/300, 45/170.
a speculator is considering the purchase of a commodity that he reckons has a 60 of increasing in value over the next
A survey was conducted to measure height off men. In survey, respondents were grouped by age. In the 20-29 age group, the heights were normally distributed, with a mean of 69.2 inches and a standard deviation of 2.0 inches.
the mode of a discrete random variable x with p.m.f. px is that value x for which px is largest the most probable x
What does r 2 of .73 tell us? Is this a strong or weak correlation? How can you tell?
What is the chance? students over age 21 students under age 21 Why is your sample not an SRS? These combinations of students have equal chances of being interviewed.
In 1,000 samples, assuming that H 0 is true, how many times would you expect to commit Type I error if:
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