Answer Happy

Posted: **Sun Sep 05, 2021 5:14 pm**

: A 5 Pts Let X Be The Number Of Trials A Student Needs To Get Their First Success On An Exam Denote The Probability 1 (60.36 KiB) Viewed 97 times

(a) (5 pts). Let X be the number of trials a student needs to get their first success on an exam. Denote the probability of success as p that equals 0.4. Find E[(2X + 3)2]. (b) [5 pts). For a random variable X with density: Scx-3; r > 2; f(x) = otherwise 0; find c and E[X].