S={−3,−1.5,0,1.5,3} be a sample space with P(−3)P(−1.5)P(0)P(3)=0.1,=0.2,=P(1. 5)=γ,=0.1. Calculate γ and then calculate E(S). Record only your solution for E below.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Ahighway between points a and b has been closed for repairs. an alternative route between there two locations is to travel between a and c and then from c to b what is the value of y and what is the total distance from a to c to b?

Astock has a 25% probability of increasing by $10 and a 75% probability of decreasing by $5. what is the stocks expected increase or decrease?