A man leaves home 8
a.m. every morning in order to arrive at work at 9
a.m.. he finds that over a long period that he is late one in 50 times. he tries to leave home at 7:55
a.m. and finds that over similar period he is late once in 70 times. assuming the time of the journey follows a normal distribution what time should he leave home in order to be late once in 100 times
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7:50 bro.............
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