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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 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

Answer & Explanation Solved by verified expert
3.8 Ratings (612 Votes)
Solution Given that mean 55standard deviation 61Px 48 Px 48 55 6 Pz    See Answer
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