Mathematics

Mathematics, 29.10.2019 23:31, heidiburgos1own6c0

Uppose that 26% of all steel shafts produced by a certain process are nonconforming but can be reworked (rather than having to be scrapped). (a) in a random sample of 179 shafts, find the approximate probability that between 35 and 58 (inclusive) are nonconforming and can be reworked. (b) in a random sample of 179 shafts, find the approximate probability that at least 51 are nonconforming and can be reworked.

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