Question

Please show all work and explain your answers. My attempt is included in the screenshot.

PRINTER VERSION BACK Problem 2.048 Your answer is incorrect. Try again. Plastic parts pro ced by an injectio press opens. An inspector chooses 1 part(s) trom among the 14 at random. Two cavities are aftected by a temperature malfunction that results 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? 0.1327 n-molding operation are checked for conformance to specifications. Each tool contains 14 cavities in which parts are produced, and these parts fall intoa o) What is the probability that the inspector finds at least one nonconforming part? 0.1378 Click if you would like to Show Work for this question: Onen Show Work Question Attempts: 1 of 3 used SAVE FOR LATER SUBMIT ANS

Answer 1

out of 14 , 2 are non-confirming

X - number of non-confirming part that inspector finds

a) P(X = 1) = 2/14 = 1/7 = 0.142857 = 0.1429

b)P(X>=1) = P(X = 1) = 0.1429   {as he select one part)