A school class of 120 students is driven to a symphonic concert on one of three buses. There are 34 students on one bus, 42 on another, and 44 on the third bus. When the buses arrives, one of the 120 students is randomly chosen. Let X denote the number of students on the bus of the randomly chosen student, and nd E[X]. Required:
a. What is the state space of X?
b. What is the probability mass function associated with X?
c. What is the expected value of X: E[X]?

In a recent basketball game between the storm and the chargers, the number of points scored by the storm in the first half was equal to the number of points scored by the chargers in the second half of the game. in the first half, the storm scored 64 points, which is one - third of the total points that were scored during the game. during the second half, the chargers scored 16 points more than one - fourth the points scored in the game. you want to know how many total points that were scored during the game. 1. write an equation that models this situation. then, solve the equation. 2. how many total points were scored during the game? explain your reasoning. 3. does your answer make sense? justify your reasoning.

Horace's speedometer reads 60 miles per hour, but during a road test he finds that he was actually driving 58 mph. what is the percent error in horaces speedometer?

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.