jkersen8140
02.03.2020 •
Mathematics
On his drive to work, Leo listens to one of three radio stations, A, B, or C. He first turns to A. If A is playing a song he likes, he listens to it; if not, he turns to B. If B is playing a song he likes, he listens to it; if not, he turns to C. If C is playing a song he likes, he listens to it; if not, he turns off the radio. For each station, the probability is 0.30 that at any given moment the station is playing a song Leo likes. On his drive to work, what is the probability that Leo will hear a song he likes?
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Ответ:
The probability that Leo will hear a song he likes is 0.90
Step-by-step explanation:
The probability that Leo will hear a song he like is that either one of the radio station play the song he likes (either A or B or C)
Probability for each station = 0.30
Probability(A play song Leo likes) = 0.30
Probability(B play song Leo likes) = 0.30
Probability(C play song Leo likes) = 0.30
Probability(either A or B or C) = 0.30 + 0.30 + 0.30 = 0.90
Ответ:
solve the first equation to determine if they are equal. they are not. (see image)