Business Statistics Module 4

Business Statistics Module 4 - A discrete random vaariable...

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A discrete random vaariable can have the values x=3, x=8, or x=10, and the respective probabilitie the mean, variance, and standard deviation of x. x P(x) 3 0.2 8 0.7 10 0.1 (x) = Σ x1(P(x)) Σ S^2 = (x1-u)^2 (P(x1)) Σ 3(0.2) + 8 (0.7) +1 (3-7.2)^ (0.2) + (8-7.2) (0.7) + (10 - 7.2)^2 (0 0.6 + 5.6 +1 3.528 + 0.448 + .784 mean is 7.2 4.76 is the variance. The square root of 4.76 is 2.18, which is the
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ies are 0.2, 0.7, and 0.1. Determine (0.1) e deviation of x.
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According to the National Marine Manufacurers Association, 50.0% of the population of Vermont w during the most recent year. For a randomly selected sample of 20 Vermont residents, with the dis x=the number in the sample who were boating participants that year, determine the following: (x) = n Σ = .50 π = 20 (.50) π x = 10 Σ Using the BINOMDIST formula in excel gives me the answer below. 0.25 c. P(x=10) Using the BINOMDIST formula in excel gives me the answer below. 0.18 d. P(x=12) Using the BINOMDIST formula in excel gives me the answer below. 0.12 Using the BINOMDIST formula in excel gives me the answer below. 0.06 0.94 a. (x) Σ b. P(x< 8) e. P(7< x< 13) P(x< 6) P(x< 13)
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were boating participants iscrete random variable
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It has been estimated that one in five Americans surffers from allergies. The president of Hargrove select 10 students from the undergraduate population of 1400 to attend a dinner at his home. Assu
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Business Statistics Module 4 - A discrete random vaariable...

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