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Problem related to erasers

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Reference no: EM131556582

Question: From a sample of size 150 it has been estimated that 10% of all pencils have bad erasers. This means

(a) on the average, one pencil in ten has a bad eraser.

(b) on the average, one pencil in fifteen has a bad eraser.

(c) exactly 10 of the next 100 pencils made will have bad erasers.

(d) exactly 10 of the last 100 pencils made had bad erasers.

(e) about 10 of the next 150 pencils will have bad erasers.

Reference no: EM131556582

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