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21 November, 00:08

A shipment to a warehouse consists of 500 PS4. The manager chooses a random sample of 50 PS4 and finds that 3 are defective. How many PS4 in the shipment are likely to be defective?

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  1. 21 November, 00:27
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    30 PS4's

    Step-by-step explanation:

    The manager chose 50/500 PS4's to sample

    3/50 were defective

    To find how many were defective in all 500, we multiply the fraction by a number that makes the 50 (the sample), into a 500 (the total).

    That number is 10

    Whatever multiplication you do to the bottom of a fraction, you do to the top

    3*10 / 50*10

    30 / 500 are likely to be defective
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