A Let X X and X3 represent the times necessary to perform

Last updated: 6/29/2023

A Let X X and X3 represent the times necessary to perform three successive repair tasks at a certain service facility Suppose they are independent normal rv s with expected values H and 2 2 and variances 2 and o3 respectively Round your answers to four decimal places USE SALT 2 a If H 3 60 and 6 63 18 calculate P T 198 and P 144 T 198 02 P T 198 P 144 T 198 b Using the s and o s given in part a calculate both P 54 X and P 58 X 62 P 54 X P 58 X 62 c Using the s and oi s given in part a calculate P 12 X 0 5X 0 5X3 6 P 12 X 0 5X 0 5X 6