Q 10 / Statistics and Probability

Given the discrete probability distribution shown to the right, X P(x) a. Calculate the expected value of x. 50 0.20 b. Calculate the variance of x. 75 0.30 c. Calculate the standard deviation of x. 100 0.50 a. E(x) = (Type an integer or a decimal.) b. of =[ (Type an integer or a decimal.) C. ox = (Type an integer or decimal rounded to two decimal places as needed.)