Neverslip, Inc., produces belts for industrial use. As part of its continuous process-improvement program, Neverslip has decided
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a. Using the randomly sampled data, calculate a 90% confidence interval estimate for the true population proportion, p , for on-time shipments for Neverslip.
b. What is the margin of error for the confidence interval calculated in part a?
c. One of Neverslip’s commitments to its customers is that 95% of all shipments will arrive on time. Based on the confidence interval calculated in part a, is Neverslip meeting its on-time commitment?
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Related Book For
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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