Mathematics, 23.06.2019 05:20, Galaxy6267

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 34 inches tall? b) in what height interval should the company expect to find the middle 90% of kindergartenersthe middle 90% of kindergarteners are expected to be inches and inchesc) at least how tall are the biggest 20% of kindergarteners?

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Companies who design furniture for elementary school classrooms produce a variety of sizes for kids...