Two independent measurements are made of the lifetime of a

Chapter 2, Problem 6E

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QUESTION:

Two independent measurements are made of the lifetime of a charmed strange meson. Each measurement has a standard deviation of \(7\times 10^{15}\) seconds. The lifetime of the meson is estimated by averaging the two measurements. What is the standard deviation of this estimate?

Equation Transcription:

Text Transcription:

7x10^-15

Questions & Answers

QUESTION:

Two independent measurements are made of the lifetime of a charmed strange meson. Each measurement has a standard deviation of \(7\times 10^{15}\) seconds. The lifetime of the meson is estimated by averaging the two measurements. What is the standard deviation of this estimate?

Equation Transcription:

Text Transcription:

7x10^-15

ANSWER:

Solution:

step 1 of 2:

Two independent measurements are made of a charmed strange meson. Each measurements has a standard deviation 7 10^ -15 seconds. The lifetime of the meson is estimated by averaging the two measurements. We have to find standard deviation of this estimate.


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