We are monitoring the random variable X with an EWMA chart. How many samples would be required to make the error of approximating (i.e., percent error) the upper control limit as constant be less than 0.01% for 2 = 0.05, 0.1, 0.15,0.2, and 0.25? X-N(0, 12) E = (1– 2)E,-1 + dx; E, = H UCL, = u+ ko [1-(1-1)2] (2-A)
We are monitoring the random variable X with an EWMA chart. How many samples would be required to make the error of approximating (i.e., percent error) the upper control limit as constant be less than 0.01% for 2 = 0.05, 0.1, 0.15,0.2, and 0.25? X-N(0, 12) E = (1– 2)E,-1 + dx; E, = H UCL, = u+ ko [1-(1-1)2] (2-A)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![We are monitoring the random variable X with an EWMA chart. How many samples would be
required to make the error of approximating (i.e., percent error) the upper control limit as
constant be less than 0.01% for 2 = 0.05, 0.1, 0.15,0.2, and 0.25?
X~N(0,12)
E, = (1– 2)E,-1 + ax;
E, = H
UCL, = u + ko
[1- (1– 2)24]
(2-A)
UCL. = H + ko
(2 – 2)
k = 3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdd1bc09b-22c1-4f47-a883-a1038b1a1c7d%2F7c00f207-5d3a-47d1-a1de-22438e904a1a%2Fy63ah3b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:We are monitoring the random variable X with an EWMA chart. How many samples would be
required to make the error of approximating (i.e., percent error) the upper control limit as
constant be less than 0.01% for 2 = 0.05, 0.1, 0.15,0.2, and 0.25?
X~N(0,12)
E, = (1– 2)E,-1 + ax;
E, = H
UCL, = u + ko
[1- (1– 2)24]
(2-A)
UCL. = H + ko
(2 – 2)
k = 3
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