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
icon
Related questions
Question
Only number 55
no more than 1 of every 25 customers, for what mileage can
he guarantee these tires to last?
55. 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?
56. Body temperatures Most people think that the "normal"
adult body temperature is 98.6°F. That figure, based on a
19th-century study, has recently been challenged, In a 1992
article in the Journal of the American Medical Association,
Transcribed Image Text:no more than 1 of every 25 customers, for what mileage can he guarantee these tires to last? 55. 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? 56. Body temperatures Most people think that the "normal" adult body temperature is 98.6°F. That figure, based on a 19th-century study, has recently been challenged, In a 1992 article in the Journal of the American Medical Association,
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps with 7 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill