elephone call center where people place marketing calls to customers has a probability of success of 0.06. Find the number of calls needed to ensure that
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A telephone call center where people place marketing calls to customers has a probability of success of 0.06.
Find the number of calls needed to ensure that there is a probability of at least 0.81 of obtaining eleven or more successful calls.
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- 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?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.You attend a karaoke night and hope to hear your favorite song. The karaoke song book has 300 different songs (your favorite song is among them). Assuming that the singers are equally likely to pick any song and no song repeats, what is the probability that your favorite song is one of the 20 that you hear that night?