70% of a certain species of tomato live after transplanting from pot to garden. Nate transplants 6 of these tomato plants. Assume that the plants live independently of each other.
Let X= the number of tomato plants that live.
What is the probability that exactly 4 of the 6 tomato plants live?
Round your answer to the nearest thousandth. (3 numbers after the decimal)

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

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

What is the result of adding the system of equations? 2x+y=4 3x-y=6