(Answered) You are awaiting your tax return and the time at which the

Statistics

You are awaiting your tax return and the time at which the mailman delivers the mail to your home follows a normal distribution with a mean time of 840 minutes into the day (2:00 pm) and a standard deviation of 15 minutes. There is a 3% chance the mail will arrive in approximately how many minutes into the day or later? Hint: (this problem refers to the top 3%(right tail) end of the curve.)

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