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6. A fast food company has determined that 70% of their clients like the new hamburger. In a random sample of 10 clients, find
6. A fast food company has determined that 70% of their clients like the new hamburger. In a random sample of 10 clients, find the probability that: a) exactly 8 like the hamburger; b) at least 8 like it. Assume the hypotheses of the binomial distribution are satisfied; c) what are the expected value (mean) and the standard deviation of this distribution? w205
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