geometry

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Lenny’s favorite radio station has this schedule:

news: 15 min.
commercials: 3 min.
music: 42 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?

  • geometry -

    total time = 60

    prob (news) = 15/60 = 1/4

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