a catalog company that receives the majority of its orders by telephone conducted a study to determine how long customers were willing to wait on hold before ordering a product. the length of time was found to be a random variable best approximated by an exponential distribution with a mean equal to 3 minutes. find the waiting time at which only 10% of the customers will continue to hold.
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Category: biomedicalengineering | Author: Giiwedin Frigyes
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