For quality control control purpose, in a soup producing factory, at random time

Question

For quality control control purpose, in a soup producing factory, at random times throughout the day, 5 fixed robotic arms reach out and grab 5 cans from a conveyor belt, for testing. Is this a random sample? Explain in a sentence or two Is this a simple random sample? Explain in a sentence or two. In the same factory, a huge full vat of chunky chicken soup is stirred constantly. At random times throughout the day, robots dip twenty 300 m/dippers into the vat, sampling for quality control purposes. Is this a random sample? Explain in a sentence or two Is it a simple random sample? Explain in a sentence or two At gas pump, think of amounts of gas as data.

Explanation / Answer

1)

a) yes it is a random sample because the times are random

b) no this is not a simple random sample because there are 5 fixe robots and each robots grab 5 cans

2)

a) yes it is random sample since we are randomly chose times at day

b) yes it is simple random sample since the sample is just for quality control

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