Which of the following describes two dependent events?
A Picking a card from a deck twice and...
Mathematics, 06.05.2020 08:36, ghari112345
Which of the following describes two dependent events?
A Picking a card from a deck twice and getting a jack both times.
B Flipping a coin twice and getting tails both times.
Answers: 2
Mathematics, 21.06.2019 17:20, kolbehoneyman
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
Answers: 3
Biology, 28.11.2019 04:31