Mathematics, 12.06.2020 21:57 Xavierayala2003
(E) 55 84. Let X and Y be the number of hours that a randomly selected person watches movies and sporting events, respectively, during a three-month period. The following information is known about X and Y: E(X) = 50, E(Y) = 20, Var(X) = 50, Var(Y) = 30, Cov(X, Y) = 10. The totals of hours that different individuals watch movies and sporting events during the three months are mutually independent. One hundred people are randomly selected and observed for these three months. Let T be the total number of hours that these one hundred people watch movies or sporting events during this three-month period. Approximate the value of P[T < 7100].
Answers: 3
Mathematics, 21.06.2019 17:00, cat216
Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.
Answers: 2
Mathematics, 21.06.2019 22:20, wrolle
The volume, v, of a rectangular prism is determined using the formula, where / is the length, w is the width, and his theheight of the prism. carltren solves for w and writes the equivalent equation w=using this formula, what is the width of a rectangular prism that has a volume of 138.24 cubic inches, a height of 9.6 inches, and a length of 3.2 inches?
Answers: 2
(E) 55 84. Let X and Y be the number of hours that a randomly selected person watches movies and spo...
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