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The height of people in a certain population is normally distributed, with a mean value of...

  1. The height of people in a certain population is normally distributed, with a mean value of 5 ft 10 in and a standard deviation of 4 inches.
    1. What fraction of the population is taller than 6 ft 0 in?
    2. What fraction of the population is between 5 ft 0 in and 5 ft 9 in?
    3. How does your answer to part (b) change if the mean is still 5 ft 10 in but the standard deviation is 5 inches?
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