An observer stands at an overpass of a highway and counts the cars that pass by. He stops counting when he sees a red car. If the probability of cars which are red is 0.20, what is the probability that 10 car will be observed? A 0.389 B 0.6825 0.0268 D none of the choices
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- A random number generator selects two integers from 1 to 30. What is the probability that both numbers are less than 12?Show that the probability of drawing a club at random from a standard deck of 52 playing cards is the same as the probability of drawing the ace of hearts at random from a set of four cards consisting of the aces of hearts, diamonds, clubs, and spades.A manufacturer has determined that a machine averages one faulty unit for every 500 it produces. What is the probability that an order of 300 units will have one or more faulty units?