Mathematics, 15.04.2021 16:00 mia3128
Out of a group of 120 students that were surveyed about winter sports, 28 said they ski and 52 said they snowboard.
Sixteen of the students who said they ski said they also snowboard. If a student is chosen at random, find each
probability
Answers: 3
Mathematics, 21.06.2019 15:40
What is the first quartile of this data set? 10, 11, 12, 15, 17, 19, 22, 24, 29, 33, 38 a. 12 b. 19 c. 29 d. 10
Answers: 1
Mathematics, 21.06.2019 17:20
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 driverβs airplane. find var(y) for y as given in the problem
Answers: 3
Mathematics, 21.06.2019 20:00
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0
Answers: 2
Mathematics, 22.06.2019 03:00
Find four solutions of the given function. write the solutions as ordered pairs. 4x β y = 4
Answers: 1
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