## [answered] A quality-conscious disk manufacturer wishes to know the fr

A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are defective.

Step 2 of 2:?Suppose a sample of?1015?floppy disks is drawn. Of these disks,?152?were defective. Using the data, construct the? 95%?confidence interval for the population proportion of disks which are defective. Round your answers to three decimal places.

95% Confidence Interval for p

152

x

=

= 152/1015 ? 0.149754 ? 0.150

n

1015

Significance level = ? = 1? confidence = 1 ? 0.95 = 0.05

Critical z-value = z?/2 = z0.05/2 = z0.025 = 1.96 (From...

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This question was answered on: Sep 18, 2020

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