8.4 A confidence interval estimate is desired for the gain in a cicuit on a semi

Question

8.4

A confidence interval estimate is desired for the gain in a cicuit on a semiconductor device. Assume that gain is normally distribted with standad deviation o(sigma)=20

u = the mu understanding and the x has a __ above it.

A) Find a 95% CL for u when n = 10 and x=1000

B) Find a 95% CL for u when n = 25 ad x =1000

C) Find a 99% CL for u when n = 10 and x=1000

D) Find a 99% CL for u when n = 25 and x=1000

E) How does the length of the CLs computed above change with the changes in the sample size and confidence level?

Explanation / Answer

1. A confidence interval estimate is desired for the gain in a circuit on a semiconductor device. Assume that gain is normally distributed with sd.=20.

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