Consider the one-sided confidence interval expressions for the mean of a normal population. Round your answers to 2 decimal places. (a) What value of z would result in a 75% one-sided confidence interval? (b) What value of z., would result in a 80% one-sided confidence interval? (c) What value of z would result in a 85% one-sided confidence interval?

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Consider the one-sided confidence interval expressions for the mean of a normal population.

Round your answers to 2 decimal places.

(a) What value of \( z_{\alpha} \) would result in a 75% one-sided confidence interval?

[Input box]

(b) What value of \( z_{\alpha} \) would result in a 80% one-sided confidence interval?

[Input box]

(c) What value of \( z_{\alpha} \) would result in a 85% one-sided confidence interval?

[Input box]

Statistical Tables and Charts
Transcribed Image Text:--- Consider the one-sided confidence interval expressions for the mean of a normal population. Round your answers to 2 decimal places. (a) What value of \( z_{\alpha} \) would result in a 75% one-sided confidence interval? [Input box] (b) What value of \( z_{\alpha} \) would result in a 80% one-sided confidence interval? [Input box] (c) What value of \( z_{\alpha} \) would result in a 85% one-sided confidence interval? [Input box] Statistical Tables and Charts
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From the provided information,

a)

Confidence level = 75%

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