Why did you double the 0.016 to make it 0.032 to get the 0.0234,0.0866? Wouldn’t it just be 0.055 + 0.016 and 0.055 - 0.016?

MATLAB: An Introduction with Applications
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Why did you double the 0.016 to make it 0.032 to get the 0.0234,0.0866? Wouldn’t it just be 0.055 + 0.016 and 0.055 - 0.016?
Stepi
a)
A sample of 200 light bulbs
- h= 200
it was found that l were defective
D.055
Sampleproportion= P-
200
95%. Confidence level
→ a= |-0-95= o-05
Za - Zo.05 = 1.96
反
Step2
b)
95% Confidence interval around this sample proportion
Pt Zq x P(-P)
D.055 + 1.96 x /0.055x(1-0-055)
२००
(0.0234, 0.0.
Transcribed Image Text:Stepi a) A sample of 200 light bulbs - h= 200 it was found that l were defective D.055 Sampleproportion= P- 200 95%. Confidence level → a= |-0-95= o-05 Za - Zo.05 = 1.96 反 Step2 b) 95% Confidence interval around this sample proportion Pt Zq x P(-P) D.055 + 1.96 x /0.055x(1-0-055) २०० (0.0234, 0.0.
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