Plastic parts produced by an injection-molding operation are checked for conformance to specifications. each tool contains 15 cavities in which parts are produced, and these parts fall into a conveyor when the press opens. an inspector chooses 3 part(s) from among the 15 at random. three cavities are affected 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?
(b)what is the probability that the inspector finds at least one nonconforming part?

Analyzing operational changes operating results for department b of delta company during 2016 are as follows: sales $540,000 cost of goods sold 378,000 gross profit 162,000 direct expenses 120,000 common expenses 66,000 total expenses 186,000 net loss $(24,000) suppose that department b could increase physical volume of product sold by 10% if it spent an additional $18,000 on advertising while leaving selling prices unchanged. what effect would this have on the department's net income or net loss? (ignore income tax in your calculations.) use a negative sign to indicate a net loss answer; otherwise do not use negative signs with your answers. sales $answer cost of goods sold answer gross profit answer direct expenses answer common expenses answer total expenses answer net income (loss) $answer