Companies who design furniture for elementary school classrooms produce a variety of sizes for kids of different ages. Suppose the heights of kindergarten children can be described by a Normal model with a mean of 39.2 inches and standard deviation of 1.9inches. a) What fraction of kindergarten kids should the company expect to be less than 38 inches tall? About % of kindergarten kids are expected to be less than 38 inches tall. (Round to one decimal place as needed.) b) In what height interval should the company expect to find the middle 90% of kindergarteners? inches and inches. The middle 90% of kindergarteners are expected to be between (Use ascending order. Round to one decimal place as needed.) c) At least how tall are the biggest 10% of kindergarteners? The biggest 10% of kindergarteners are expected to be at least (Round to one decimal place as needed.) inches tall.
Companies who design furniture for elementary school classrooms produce a variety of sizes for kids of different ages. Suppose the heights of kindergarten children can be described by a Normal model with a mean of 39.2 inches and standard deviation of 1.9inches. a) What fraction of kindergarten kids should the company expect to be less than 38 inches tall? About % of kindergarten kids are expected to be less than 38 inches tall. (Round to one decimal place as needed.) b) In what height interval should the company expect to find the middle 90% of kindergarteners? inches and inches. The middle 90% of kindergarteners are expected to be between (Use ascending order. Round to one decimal place as needed.) c) At least how tall are the biggest 10% of kindergarteners? The biggest 10% of kindergarteners are expected to be at least (Round to one decimal place as needed.) inches tall.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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Transcribed Image Text:Companies who design furniture for elementary school classrooms produce a variety of sizes for kids of different
ages. Suppose the heights of kindergarten children can be described by a Normal model with a mean of 39.2
inches and standard deviation of 1.9inches.
a) What fraction of kindergarten kids should the company expect to be less than 38 inches tall?
About% of kindergarten kids are expected to be less than 38 inches tall.
(Round to one decimal place as needed.).
b) In what height interval should the company expect to find the middle 90% of kindergarteners?
inches and
inches.
The middle 90% of kindergarteners are expected to be between
(Use ascending order. Round to one decimal place as needed.)
c) At least how tall are the biggest 10% of kindergarteners?
The biggest 10% of kindergarteners are expected to be at least
(Round to one decimal place as needed.)
inches tall.
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