A new stain removal product claims to completely remove the
A new stain removal product claims to completely remove the stains on 90 percent of all stained garments. Assume that the product will be tested on 20 randomly selected stained garments, and let x denote the number of these garments from which the stains will be completely removed. Use the binomial distribution to find p (x ≤ 3) if the stain removal product’s claim is correct. If x actually turns out to be 13, what do you think of the claim?
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