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Suppose 35% of smartphones sold at a retail outlet are purchased with warranty. A random sample of 31 smartphones is selected. Assuming independence, use the binomial formula or software (recommended) to answer the following questions. Report probabilities accurate to at least 4 decimal places. What is the probability that, of the 31 smartphones selected: a) exactly 10 are purchased with warranty? ' l b) exactly 22 Lnot purchased with warranty?' I c} none of them are purchased with warranty? I ' cl) no less than 8 are purchased with warranty?| l e) no more than 12 are purchased with warranty?| l f) at least 8 and at most 12 are purchased with warranty? l 9) more than half are purchased with warranty?| Next