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QUESTION
A certain type of plywood consists of five layers. The thicknesses of the layers are independent and normally distributed with mean 5.0 mm and standard deviation 0.15 mm. Find the mean thickness of th
A certain type of plywood consists of five layers. The thicknesses of the layers are independent and normally distributed with mean 5.0 mm and standard deviation 0.15 mm.
Find the mean thickness of the plywood.
Find the standard deviation of the thickness of the plywood.
Find the probability that the plywood is less than 24 mm thick. Round the answer to four decimal places.
