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he television show West Wing has a 15 share, meaning that while it is being broadcast, 15% of tv sets in the US are tuned

he television show West Wing has a 15 share, meaning that while it is being broadcast, 15% of tv sets in the US are tuned to West Wing. A special focus group consists of 20 randomly selected households. This is a binomial distribution. For a group of 20: a) find the probability that exactly 5 tv sets are tuned to West Wing b) find the mean, variance and standard deviation

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