Find the value of z?/2 to use in expression (5.1) to

Chapter 5, Problem 1E

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QUESTION:

Find the value of \(Z_{\alpha / 2}\) to use in expression (5.1) to construct a confidence interval with level
a.

b.

c.

d.

Equation transcription:

Text transcription:

Z_{\alpha / 2}

Questions & Answers

QUESTION:

Find the value of \(Z_{\alpha / 2}\) to use in expression (5.1) to construct a confidence interval with level
a.

b.

c.

d.

Equation transcription:

Text transcription:

Z_{\alpha / 2}

ANSWER:

Solution

Step 1of 4

a) We have to find critical value for 5%

For 95% confidence level

Then is the critical value

Hence


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