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20 June, 14:01

Upper A packager wraps nbspone item every 10 minutes, so 240 items are completed in her first week of work. Her manager checks her work by randomly selecting a day of the week comma then reviewing all the items she completed that day. Does this sampling plan result in a random sample? Simple random sample?

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  1. 20 June, 14:14
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    yes for sampling plan result in a random sample

    no for sampling plan result in simple random sample

    Step-by-step explanation:

    total item = 240

    time = 10 min

    to find out

    does sample plan result in random sample and does Simple random sample

    solution

    we know he do wrap 240 item in a week

    and every item is wrap in 10 min

    and check in a day of week

    so we can say here directly by given data every item not selected every day

    so

    yes there are for some item of all group are possible same chance of select in random sample

    and

    no for simple random sample because each and every item is not selected
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