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Heights of 10 year olds. Heights of 10 year olds, regardless of gender, closely follow a...

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Basic Math

Heights of 10 year olds. Heights of 10 yearolds, regardless of gender, closely follow a normal distributionwith mean 55 inches and standard deviation 6 inches. Round allanswers to two decimal places.

1. What is the probability that a randomly chosen 10 year old isshorter than 57 inches?

2. What is the probability that a randomly chosen 10 year old isbetween 61 and 63 inches?

3. If the shortest 15% 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 24 thpercentile?  inches

Answer & Explanation Solved by verified expert
3.7 Ratings (713 Votes)
Solution Given that mean 55standard deviation 61Px 57 Px 57 55 6 Pz 033Using    See Answer
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