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OpenStudy (anonymous):
A company that manufactures smartphones makes 70% of the phones with a touch screen and 55% of the phones with HD movie capability. 30% of the phones have both a touch screen and HD movie capability. What is the probability that a smartphone chosen at random has either a touch screen or HD movie capability? 19/20 47/50 13/20 43/50 17/20
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OpenStudy (anonymous):
@KakeFace @welshfella
OpenStudy (anonymous):
19/20
OpenStudy (anonymous):
how do u figure
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