Suppose the age that children learn to walk is normally distributed with mean 11 months and standard deviation 1.5 month. 11 randomly selected people were asked what age they leared to walk. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N b. What is the distribution of ? - N c. What is the probability that one randomly selected person learned to walk when the person was between 9.5 and 12.5 months old?

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