Question: Based on data collected over several years, the time to complete servicing an electronic product ESP under warranty is assumed to be normally distributed with

Based on data collected over several years, the time to complete

Based on data collected over several years, the time to complete servicing an electronic product ESP under warranty is assumed to be normally distributed with a mean of 30 minutes and 15 seconds, and a standard deviation of 5 minutes and 30 seconds. If two ESP products serviced by 2 tech-staff (TECH1 and TECH2) are randomly selected, find the probability that TECH1 serviced the product in at most 28 minutes and 30 seconds, and TECH2 took at least 10 minutes longer time than TECH1 to complete servicing the product

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