Once an individual has been infected with a certain disease, let X represent the time (days) that elapses before the ind

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Once An Individual Has Been Infected With A Certain Disease Let X Represent The Time Days That Elapses Before The Ind 1 (14.62 KiB) Viewed 18 times

Once an individual has been infected with a certain disease, let X represent the time (days) that elapses before the individual becomes infectious. An article proposes a Weibull distribution with = 2:3, 1:8, and y0,5. (Hint: The two-parameter Webull distribution can be generalized by introducing a third parameter y, called a threshold or location parameter: replace x in the equation below, P. 11) 0 x20 x<0 by x-y and x 20 byx2) (8) Calculate P(1<x< 2), (Round your answer to four decimal places.) 43017 (b) Calculate PX1.5), (Round your answer to four decimal places) 7720 (c) What is the 90th percentile of the ostribution? (Round your answer to three decimal places) 13.087 ✓days (d) What are the mean and standard deviation of X7 (Round your answers to three decimal places) mean x days x days 2.656 standard deviation 2:333