3.10 Heights of 10 year olds: Heights of 10 year olds, regardless of gender, closely follow a normal distribution with mean 55 inches and standard deviation 5 inches. a) What is the probability that a randomly chosen 10 year old is shorter than 47 inches? (Keep 4 decimal places.) b) What is the probability that a randomly chosen 10 year old is between 61 and 64 inches? (Keep 4 decir places.) c) If the tallest 10% of the class is considered "ventall"

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