Kindergarten Companies that design furniture for elementary school classrooms produce a variety of sizes for kids of differ- ent ages. Suppose the heights of kindergarten children can be described by a Normal model with a mean of 38.2 inches and standard deviation of 1.8 inches. a) What fraction of kindergarten kids should the company expect to be less than 3 feet tall? b) In what height interval should the company expect to find the middle 80% of kindergarteners? c) At least how tall are the biggest 10% of kindergarteners?
Kindergarten Companies that design furniture for elementary school classrooms produce a variety of sizes for kids of differ- ent ages. Suppose the heights of kindergarten children can be described by a Normal model with a mean of 38.2 inches and standard deviation of 1.8 inches. a) What fraction of kindergarten kids should the company expect to be less than 3 feet tall? b) In what height interval should the company expect to find the middle 80% of kindergarteners? c) At least how tall are the biggest 10% of kindergarteners?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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