Suppose for an online retailer, the number of days between a customer purchase date and delivery date follows a normal distribution with a mean of 5 days and a standard deviation of 1 day. Using the empirical rules of normal distribution, what is the probability that a shipment would take more than 6 days? 0.16 0.84 0.32 0.05
Suppose for an online retailer, the number of days between a customer purchase date and delivery date follows a normal distribution with a mean of 5 days and a standard deviation of 1 day. Using the empirical rules of normal distribution, what is the probability that a shipment would arrive between 3 and 5 days? 0.34 0.16 0.95 0.48