Which of the following statements are true about random sampling: O four tosses of an unbiased coin is an example of random sampling from a Binomial random variable with probability of success -0.5 and a sample size of 4 O random sampling selects every piece of data in the entire population at least once O none of the other answers are correct 'O four tosses of an unbiased coin is an example of random sampling from a Bernoulli random variable with

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