part A please Plastic Parts produced by an injection melding operation are check

Question

part A please Plastic Parts produced by an injection melding operation are checked for conformance to specifications. Each tool contains 14 cavities in which parts are produced, and these parts fall into a conveyor when the press opens. An inspector choose 1 part(s) from among the 14 at random. Two cavities are affected by a temperature malfunction that result in parts that do not conform to specifications. Round your answers to four decimal places. (a) What is the probability that the inspector finds exactly one nonconforming part? (b) What is the probability that the inspector finds at least one nonconforming part?

Explanation / Answer

here sample size is 1.

and probabilty of finding a defective as there are 2 malfuction cavity p=2/14

a) hence probabilty that inspector finds it defective =2/14 =0.1429

please revert in case.

as sample size is 1 ; this should be same for both of the parts.

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