Find the probability the assembly time is five minutes

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The length of time to complete a door assembly on an automobile factory assembly line is normally distributed with a mean of 6.7 minutes and a standard deviation of 2.2 minutes. For a door selected at random, what is the probability the assembly time will be:

a) 5 minutes or less?
b) 10 minutes or more?
c) between 5 and 10 minutes

Reference no: EM13151214

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