a gigantic warehouse stores approximately 70 million empty aluminum beer and soda cans. recently, a fire occured at the warehouse. the smoke from the fire contaminated mang if the cans with blackspot, rendering them unusable. A statistician was hired by the insurance company to estimate p, the true proportion of cans in the warehouse thag were contaminated by the fire. how many aluminum cans should be randomly sampled to estimate p to within 0.04 woth 90% confidence?

the statician shold sample ___ cans to estimate the proportion that were contaminated by the fire within 0.04 with 90% confidence.

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