QUESTION 8 Find the standard deviation of the following discrete probability distribution. Round off to three...
For the probability distribution given below find the expected value and the standard deviation. Round off your answers to one decimal place. x p(x) 0 0.038 1 0.087 2 0.129 3 0.285 4 0.461
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) x-36-26-15-4P(X=x)0.320.360.210.11MeanVarianceStandard deviation
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) x −31 −22 −12 −7 P(X = x) 0.53 0.27 0.13 0.07 Mean Variance Standard deviation
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) x −28 −24 −9 −4 P(X = x) 0.42 0.30 0.20 0.08 mean= variance= standard deviation=
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.)$$ \begin{array}{lrrrr} x & -23 & -17 & -9 & -3 \\ P(x=x) & 0.50 & 0.25 & 0.15 & 0.10 \end{array} $$Mean:Variance:Standard Deviation:
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be indicated by a minus sign. Round intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) x −36 −26 −15 −4 P(X = x) 0.32 0.36 0.21 0.11 Calculate the mean, variance, and standard deviation
Calculate the mean, the variance, and the standard deviation of the following discrete probability distribution. (Negative values should be Indicated by a minus sign. Round Intermediate calculations to at least 4 decimal places. Round your final answers to 2 decimal places.) -7 Plx-x) О.33 0.33 0.24 0.10 -36 -22-10 Mean Standard deviation
Find the mean and standard deviation of the given probability distribution. Round your answers to 2 places after the decimal point, if necessary. x P (x) 0 0.05 3 0.27 4 0.3 6 0.2 7 0.18 Mean = Standard deviation =
Calculate the standard deviation σ of X for the probability distribution. (Round your answer to two decimal places.) σ = x −20 −10 0 10 20 30 P(X = x) 0.1 0.2 0.4 0.1 0 0.2
Consider a normal distribution with mean 25 and standard deviation 5. What is the probability a value selected at random from this distribution is greater than 25? (Round your answer to two decimal places.) Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.) μ = 14.9; σ = 3.5 P(10 ≤ x ≤ 26) = Need Help? Read It Assume that x has a...