Heights of 10 year olds. Heights of 10 year olds, regardless ofgender, closely follow a normal distribution with mean 55 inchesand standard deviation 6 inches. Round all answers to two decimalplaces.
1. What is the probability that a randomly chosen 10 year old isshorter than 48 inches?
2. What is the probability that a randomly chosen 10 year old isbetween 50 and 51 inches?
3. If the shortest 10% of the class is considered very tall,what is the height cutoff for very tall? inches
4. What is the height of a 10 year old who is at the 34 thpercentile? inches
