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Of the individual machine operators who recorded a defective
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10 Oct 2018, 19:17
10 Oct 2018, 19:17
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Question Stats:
78% (01:18) correct
22% (01:38) wrong based on 50 sessions
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Of the individual machine operators who recorded a defective part rate of 4.2%, approximately how many hours of experience did the least experienced operator have?
(A) 2,300
(B) 5,000
(C) 7,700
(D) 9,800
(E) 15,100
Re: Of the individual machine operators who recorded a defective
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06 Apr 2020, 02:51
06 Apr 2020, 02:51
Can you please explain this. I need a different explanation than that of 5Lb.
Re: Of the individual machine operators who recorded a defective
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06 Apr 2020, 03:22
06 Apr 2020, 03:22
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sandeep1995 wrote:
Can you please explain this. I need a different explanation than that of 5Lb.
In the graph above, it is given that defective parts per 1,000 and we need to find the experience of person who detects with 4.2% accuracy.
Thus 1,000*0.042 = 42. No look for the data point where 42 is, we can see that it is less than 8,000. Thus, option C is the correct answer.
