Probability and Statistics for EngineeringHomework 4Spring 2011(due Tuesday, February 22)On all parts, remember to show your work and use correct notation!(1) The incidence of strokes in the St. Louis area is a Poisson process, and there is an averageof 18 per week. What is the probability that there will be between 90 and 100 strokes(including 90 and 100) in the St. Louis area during the next six weeks? Round your answerto four decimal places.(2) Consider the following function , which could possibly be a density function for a0continuous random variable .\0ÐBÑ œ /! Ÿ B Ÿ -*%#B(a) Find the value of which makes this function a density.
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