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26 November, 20:57

The technician expects to find 24 defective bulbs when 336 are tested. Which statement explains whether the technician's reasoning is correct, based on the information in the table?

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  1. 26 November, 23:49
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    The reasoning is correct. The ratio of number of bulbs tested to defective bulbs is always 14 to 1.

    Step-by-step explanation:

    We generally expect industrial processes to produce defects at about the same rate, meaning the proportion of defective product is generally considered to be a constant. Here, the proportion of defective bulbs is ...

    ... 1/14 = 2/28 = 6/84

    so we expect it will be also 24/336. That is, the ratio of the number of bulbs tested to defective bulbs is expected to remain constant at about 14.
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