The response time is the speed of page downloads, and it is critical for a mobile Web site. As the response time increas
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The response time is the speed of page downloads, and it is critical for a mobile Web site. As the response time increas
The response time is the speed of page downloads, and it is critical for a mobile Web site. As the response time increases, customers become more frustrated and potentially abandon the site for a competitive one. Let X denote the number of bars of service, and let Y denote the response time (to the nearest second) for a particular user and site. Note: Show your equations and full working to get the full points. Y=y 1 X= x 2 0.02 0.03 0.1 0.1 1 0.01 0.02 0.02 0.15 2 3 3 0.25 0.2 0.05 0.05 4 A. Find the marginal distribution of X. (2 points) B. Find the conditional expectation of Y if X equals to 2, E(Y|X=2) (2 points)
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