Companies who design furmiture 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 39 inches tall? About % of kindergarten kids are expected to be less than 39 inches tal. (Round to one decimal place as needed.) b) In what height interval should the company expect to find the middle 60% of kindergarteners? inches andinches. The middle 60% 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 15% of kindergarteners? The biggest 15% of kindergarteners are expected to be at least inches tal. (Round to one decimal place as needed.)

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Companies who design fumiture 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 39 inches tall?
About % of kindergarten kids are expected to be less than 39 inches tal.
(Round to one decimal place as needed.)
b) In what height interval should the company expect to find the middle 60% of kindergarteners?
inches andinches.
The middle 60% 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 15% of kindergarteners?
The biggest 15% of kindergarteners are expected to be at least inches tall.
(Round to one decimal place as needed.)
Transcribed Image Text:Companies who design fumiture 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 39 inches tall? About % of kindergarten kids are expected to be less than 39 inches tal. (Round to one decimal place as needed.) b) In what height interval should the company expect to find the middle 60% of kindergarteners? inches andinches. The middle 60% 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 15% of kindergarteners? The biggest 15% of kindergarteners are expected to be at least inches tall. (Round to one decimal place as needed.)
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