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OpenStudy (anonymous):
Lenny’s favorite radio station has this schedule: news: 19 min. commercials: 4 min. music: 37 min. If Lenny chooses a time of day at random to turn on the radio to his favorite station, what is the probability that the news will be on?
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OpenStudy (anonymous):
19/(19+4+37)=19/60
OpenStudy (anonymous):
0.31
OpenStudy (mathstudent55):
Add the three amounts: 19 min + 4 min + 37 min = 60 min Since news is 19 minutes out of every 60 minutes, the probability is \(P(news) = \frac{19}{60}\)
OpenStudy (anonymous):
thanks guys!
OpenStudy (mathstudent55):
wlcm
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OpenStudy (anonymous):
;) give a medal and become a fan
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