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Mathematics, 17.06.2020 04:57 sierrastrickland99
The time taken to assemble a laptop computer in a certain plant is a random variable having a normal distribution of 20 hours and a standard deviation of 2 hours. What is the probability that a laptop computer can be assembled at this plant in a period of time
a)Less than 19.5 hours?
b)Between 20 hours and 22 hours?
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