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(Solution Library) Find the probabilities. (References: example 5 and 6 page 276 - 277, end of section exercises 25 - 31 pages 280 - 281) From National

Question: Find the probabilities.

(References: example 5 and 6 page 276 - 277, end of section exercises 25 - 31 pages 280 - 281)

  1. From National Weather Service records, the annual snowfall in the TopKick Mountains has a mean of 72 inches and a standard deviation of 12 inches. If the snowfall from 25 randomly selected years are chosen, what it the probability that the snowfall would be greater than 75 inches?
    (5 points)
  2. The loan officer rates applicants for credit. Ratings are normally distributed. The mean is 240 and the standard deviation is 60. If 36 applicants are randomly chosen, what is the probability that they will have a rating less than 260? (5 points)

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