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# AMART has monitored the duration of calls to its customer service line over a long period and found the duration of calls can be modelled as a normal...

AMART has monitored the duration of calls to its customer service line over a long period and found the duration of calls can be modelled as a normal distribution with a true mean of 5.76 minutes and a standard deviation of 1.41 minutes. What probability of calls last between 3 and 7 minutes? Give your answer to 4 decimal places.