Millimeters of styrofoam pellets used in packing

Reference no: EM131938829

1. Let Y denote the diameter in millimeters of Styrofoam pellets used in packing. Assume that Y has a log-normal distribution with parameters µ = .8 and a = .1.

(a) Find the probability that a randomly selected pellet has a diameter that exceeds 2.7 mm.

(b) Between what two values will Y fall with probability approximately .95?

2. Verily the normal probability rule.

Reference no: EM131938829

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