Q34Section I (Objective (Q1–Q80))34 of 80
Statistical Inference — 98% CI for a percentage of defectives
A random sample of 500 apples was taken from a large consignment and 60 were found to be bad. The 98% confidence limits for the percentage of bad apples in the consignment are (Significant value of Z at 98% confidence coefficient is 2.33)
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