(a) What percent of tablets are subject to a force that meets the sp (b) The manufacturer adjusts the process so that the mean force is the specifications, u = 11.7 kg. The standard deviation remai percent now meet the specifications? %3D
(a) What percent of tablets are subject to a force that meets the sp (b) The manufacturer adjusts the process so that the mean force is the specifications, u = 11.7 kg. The standard deviation remai percent now meet the specifications? %3D
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
3.34
Transcribed Image Text:(b) What percent of the nonrunners have heart rates above 130?
ve,
his,
has
3.33 A milling machine. Automated manufacturing operations are quite precise but still
vary, often with distributions that are close to Normal. The width in inches of slots
cut by a milling machine follows approximately the N(0.8750, 0.0012) distribution.
The specifications allow slot widths between 0.8720 and 0.8780 inch. What propor-
tion of slots meet these specifications?
aner
ople
ried
3.34 Making tablets. A pharmaceutical manufacturer forms tablets by compressing a
granular material that contains the active ingredient and various fillers. The force in
kilograms (kg) applied to the tablets varies a bit, with the N(11.5, 0.2) distribution.
The process specifications call for applying a force between 11.2 and 12.2 kg.
(a) What percent of tablets are subject to a force that meets the specifications?
the
(b) The manufacturer adjusts the process so that the mean force is at the center of
the specifications, µ = 11.7 kg. The standard deviation remains 0.2 kg. What
percent now meet the specifications?
the
AIS)
with
lying
Miles per gallon. In its Fuel Economy Guide for 2008 model vehicles, the Environmental
Protection Agemcy gives data om 1152 vehicles. There are a number of outliers, mainly
vehicles with very poor gas mileage. If we ignore the outliers, however, the combined city
1120 or co chicles is approximately Normal with
Metalpix/Alamy
Expert Solution
Step 1
here mean = 11.5
standard deviation = 0.2
here use standard normal table for probability from calculated z-score
and the process specification call for applying force between 11.2 and 12.2 kg
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