When a truckload of apples arrives at a packing plant, a random sample of 150 apples...

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When a truckload of apples arrives at a packing plant, a randomsample of 150 apples are selected and examined for bruises andother defects. In reality, 12% of the apples on a particular truckare bruised or otherwise unsatisfactory. (a) How many standarderrors away from 0.12 would you need to go to contain 89% of thesample proportions of bad apples you might expect to find? (3decimal places) 1 (b) Suppose you were going to construct an 89%confidence interval from this population. What critical valueshould you use? (3 decimal places)

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