Answer Happy • Х 4 5 6 6 7 8 9 P(x) 0.06 0.2 0.4 0.1 0.14 0.1 The probabilities that a player will get 4 - 9 questions right on a trivi

Page 1 of 1

Х 4 5 6 6 7 8 9 P(x) 0.06 0.2 0.4 0.1 0.14 0.1 The probabilities that a player will get 4 - 9 questions right on a trivi

Posted: Mon Nov 15, 2021 10:57 am

by answerhappygod

: 1 (18.79 KiB) Viewed 69 times

Х 4 5 6 6 7 8 9 P(x) 0.06 0.2 0.4 0.1 0.14 0.1 The probabilities that a player will get 4 - 9 questions right on a trivia quiz are shown below. a) Find the mean b) Find the variance c) Find the standard deviation. Express all answers correct to 2 decimal places.