4. Trivia Quiz The probabilities that a player will get 5 to 10 questions right on a trivia quiz are shown below.
Find the mean, variance, and standard deviation for the
distribution
х
5 6 7
8 9 10
P(X) 0.05 0.2 0.4 0.1
0.15 0.1
8

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3