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Mathematics, 05.11.2019 20:31 redthangracing

Anne has 20 jobs that she must do in sequence, with the times required to do each of these jobs being independent random variables with mean 50 minutes and standard deviation 10 minutes. mary has 20 jobs that she must do in sequence, with the times required to do each of these jobs being independent random variables with mean 52 minutes and standard deviation 15 minutes. what is the probability that anne finishes before mary?

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Anne has 20 jobs that she must do in sequence, with the times required to do each of these jobs bein...
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