Delivery times for shipments from a central warehouse are exponentially distributed with a mean of 1.96 days (note that times are measured continuously, not just in number of days). A random sample of 99 shipments are selected and their shipping times are observed.Approximate the probability that the average shipping time is less than 1.73 days. Enter your answer as a number accurate to 4 decimal places.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Delivery times for shipments from a central warehouse are exponentially distributed with a mean of 1.96 days (note that times are measured continuously, not just in number of days). A random sample of 99 shipments are selected and their shipping times are observed.
Approximate the probability that the average shipping time is less than 1.73 days.
 Enter your answer as a number accurate to 4 decimal places.
 
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