According to a local study, 80 per cent of workers in US work in an…

Question Answered step-by-step According to a local study, 80 per cent of workers in US work in an… According to a local study, 80 per cent of workers in US work in an envitonment that could endanger their visual. If 20 US workers selected randomly as a sample, what is the probability  a) that exactly 16 workers work in such environment? b) that more than 17 workers work in such environment? c) that exactly 4 workers not work in such environment? d) fewer than 3 workers the number not work in such environment? Image transcription textGeneral probability distribution: Mean or expected value u = E(X) = EX . P(X) Variance 0 = E ( X-/). P(X)Standard deviation o = Vo2 Binomial Distribution: Mean u = n. p Variance 62 = n .p. q Standard deviation = n. p.q X n-X Probability P(X) = “cr.p q for OSX Sn Poisson Distribution: var(x) = ProbabilityP (x) … Show more… Show more Math Statistics and Probability STATISTICS 123 Share QuestionEmailCopy link Comments (0)

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