Mathematics, 05.05.2020 02:29 mduncan840
According to a study, 91% of all adults have a cell phone. An employee of a cell phone company attends a community event and has a special offer to give to first time cell phone owners. If she randomly selects adults in attendance at the event and cell phone ownership is independent from adult to adult, what is the probability that she asks 21 adults total to find the first one that does not own a cell phone?
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According to a study, 91% of all adults have a cell phone. An employee of a cell phone company atten...
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