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Mathematics 13 Online
OpenStudy (anonymous):

hi.plz help. For a certain section of a pine forest,the number of diseased trees per acre,X has a Poisson distribution with mean lambda = 9.The diseased trees are sprayed with an insecticide of R2.00 per tree,plus a fixed overhead cost for eqiupment rental of R60.00.Letting Y denote the total spraying cost per acre, a) Find the expected value and standard deviation b)Within what interval would you expect Y to lie with probability at least 0.75?

OpenStudy (anonymous):

@Zarkon PLZ HELP

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