Given the following discrete probability distribution, calculate the variance of the random variable X. Round your answer to 2 significant places after the decimal. x P(x) -1 0.29 2 0.35 4 0.08 6 0.28
Given the following discrete probability distribution, calculate the variance of the random variable X. Round your...
Consider the discrete random variable X given in the table below. Calculate the mean, variance, and standard deviation of X. Also, calculate the expected value of X. Round solution to three decimal places, if necessary.x46710111219P(x)0.140.080.140.080.110.320.13μ=σ2=σ=What is the expected value of X ?E(X)=
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=
Identify whether the given value is a discrete random variable, a continuous random variable, or not a random variable. The length of a person's foot Discrete random variable Continuous random variable Not a random variable Question 2 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 0.04 3 0.23 5 0.29 6 0.17 8 0.27 Mean = Standard deviation =
. Assignment of probability p, to each value of the Continuous Random Variable x. B. Assignment of frequency f, to each value of the Discrete Random Variable x. C. Assignment of probability p, to each value of the Discrete Random Variable x. D. Assignment of frequency f, to each value of the Continuous Random Variable x. Given the discrete probability distribution in the table below, answer questions 12-15 23 4 Po)10.12a a-0.11 0.28 12. Calculate a A. 0.46 B. 0.33...
2. Consider a discrete random variable X with mean u = 4.9 and probability distribution function p(x) given in the table below. Find the values a and b and calculate the variance o p(x) 0.25 5 6 0.35
Compute the mean and variance of the following discrete probability distribution. (Round your answers to 2 decimal places.) X P(X) 0 .2 1 .4 2 .3 3 .1
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
using excel answer the problem below
Let X be a discrete random variable having following probability distribution. x 2 4 6 8 P(x) 0.2 0.35 0.3 0.15 Complete the following table and compute mean and variance for X x P(x) x· P(x) x2. P(x) 2 0.2 4 0.35 6 0.3 8 0.15 Total 1 Expected value E(X) = u = Variance Var = o2 =
Fill in the P(X = x) values to give a legitimate probability distribution for the discrete random variable X, whose possible values are 2, 3, 4, 5, and 6. Value I of x P(x = x) 2 0.16 3 4 0.17 0.29 6 0 X 6 For Subm Let X be a random variable with the following probability distribution: 1 Value x of X P(X=x) 0.25 2 0.05 3 0.15 4 0.15 5 0.10 6 0.30 Find the expectation E...
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