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9. [-/4 Points] DETAILS DEVORESTAT7 4.P.006.ALT. MY NOTES The actual tracking weight of a stereo cartridge that is set to track at 2.0 g on

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9. [-/4 Points] DETAILS DEVORESTAT7 4.P.006.ALT. MY NOTES The actual tracking weight of a stereo cartridge that is set to track at 2.0 g on a particular changer can be regarded as a continuous rv X with the following pdf. f(x) = k [1-(x-20) ] 15x53 otherwise (a) Find the value of k. (b) What is the probability that the actual tracking weight is greater than the prescribed weight? (c) What is the probability that the actual weight is within .25 g of the prescribed weight? (d) What is the probability that the actual weight differs from the prescribed weight by more than .5 g. You may need to use the appropriate table in the Appendix of Tables to answer this question. Need Help? Read It

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