Mathematics, 09.08.2021 23:30 moniquejackson2
The lengths of iron rods produced by a machine is assumed to have a Normal distribution with a mean of 5 cm and a standard deviation of 2cm. A sample of 4 rods is selected at random for inspection. What should be the probability that the mean length of the 4 rods is less than 5.2cm
Answers: 1
Mathematics, 21.06.2019 16:30
Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?
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