Question: A broadcasting executive is reviewing the prospects for a new
A broadcasting executive is reviewing the prospects for a new television series. According to his judgment, the probability is 0.25 that the show will achieve a rating higher than 17.8, and the probability is 0.15 that it will achieve a rating higher than 19.2. If the executive's uncertainty about the rating can be represented by a normal distribution, what are the mean and variance of that distribution?
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