A lottery is played with 40 numbers in the universe. A lottery ticket contains 6 distinct numbers. There are only two possibilities. You won 10 million dollars if your ticket exactly matches the 6 winning numbers. Otherwise you lose. There are no other prizes. A ticket costs $1. What is the expected value of this $1 ticket

41/2 - 1 1/3 what is the answer as a fraction?

Four airplanes carrying a total of 400 passengersarrive at the detroit airport. the airplanes carry, respectively,50, 80, 110, and 160 passengers.a) one of the 400 passengers is selected uniformly at random.let x denote the number of passengers that were on theairplane carrying the randomly selected passenger. find var(x)for x as given in the problemb) one of the 4 airplane drivers is also selected uniformly atrandom. let y denote the number of passengers on the chosen driver’s airplane. find var(y) for y as given in the problem

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.