ONLINE TUTORIAL 1 STATISTICAL TOOLS POR MANAGERS T1.2 What are the expected value and variance of the following probability distributice! VARIABLE, PROBABILITY 4 6 .15 .15 .25 .15 Do problem T1.2 from Online Tutorial 1 Calculate the expected value and variance for the given probability distribution. O A. expected value = 5.45, variance = 4.05 O B. expected value = 4.50, variance = 4.95 O C. expected value = 4.50, variance = 4.05 OD. expected value = 5.45, variance = 4.95