Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN: 9781680331141
Author: HOUGHTON MIFFLIN HARCOURT
Publisher: Houghton Mifflin Harcourt
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Question
The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget
weights have a mean of 37 ounces and a standard deviation of 6 ounces.
Use the Standard Deviation Rule, also known as the Empirical Rule (see image below). Do not use
normalcdf on your calculator.
Suggestion: sketch the distribution in order to answer these questions.
a) 99.7% of the widget weights lie between
b) What percentage of the widget weights lie between 25 and 55 ounces?
c) What percentage of the widget weights lie below 43 ?
0.15%
-3s
2.35%
13.5%
-15
Submit Question
34% 34%
0
1s
13.5%
2s
2.35%
3s
0.15%
Question Help: Video Written Example Message instructor
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%
%
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Transcribed Image Text:The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 37 ounces and a standard deviation of 6 ounces. Use the Standard Deviation Rule, also known as the Empirical Rule (see image below). Do not use normalcdf on your calculator. Suggestion: sketch the distribution in order to answer these questions. a) 99.7% of the widget weights lie between b) What percentage of the widget weights lie between 25 and 55 ounces? c) What percentage of the widget weights lie below 43 ? 0.15% -3s 2.35% 13.5% -15 Submit Question 34% 34% 0 1s 13.5% 2s 2.35% 3s 0.15% Question Help: Video Written Example Message instructor and % %
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