Araffle is held by the msum student association to draw for a $1000 plasma television. two thousand tickets are sold at $ 1.00 each. find the expected value of one ticket.

I’m stuck on this equation, anyone got the answer?

Which of the following represents a function? 50 !

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?