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A recent poll of high school students revealed that 72% had cell phones, 43% had laptops, and
31% had both. If a student is picked at random from this poll, what is the probability that
a) they have neither a cell phone nor a laptop
b) they have a cell phone but not a laptop
c) they have a cell phone or a laptop
Solution
a.) 16% b.) 41% c.) 96%

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pA recent poll of high school students revealed that 72 had cell .pdf

  • 1. A recent poll of high school students revealed that 72% had cell phones, 43% had laptops, and 31% had both. If a student is picked at random from this poll, what is the probability that a) they have neither a cell phone nor a laptop b) they have a cell phone but not a laptop c) they have a cell phone or a laptop Solution a.) 16% b.) 41% c.) 96%