Choose Yes if the situation is a random sampling. Choose No if it is not. Select the answer with the correct reason.
Randy blindfolded himself, reached into a bag, and pulled out 21 of 50 marbles.
Yes. Randy was blindfolded, so there was no bias, and 21 was over 40% of the population.
No. Since Randy blindfolded himself, there was possible bias since he could have placed the blindfold where he could see.
No. Randy needed to pull out at least 25 of 50 marbles (50%) to make it a random sampling.
Yes. Even without a blindfold, Randy wouldn't look as he reached into the bag.
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No. Since Randy blindfolded himself, there is a possibility of bias as he could have controlled which marbles he selected even if he couldn't see them.
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