Mathematics, 13.12.2019 05:31, rachel63892

An on-line poll found that 35% of all married couples do not buy each other birthday gifts. based on this information, what is the probability that for a random sample of 10 married couples, 4 do not buy each other birthday gifts?

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An on-line poll found that 35% of all married couples do not buy each other birthday gifts. based on...