The manager of a supermarket found that 72% of the shoppers who taste a free sample of a food item will buy the item. What is the expected number of shoppers that will buy the item if a random sample of 50 shoppers taste a free sample?
Added by Gregory H.
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We know that 72% of shoppers who taste a free sample will buy the item. This means that the probability of a shopper buying the item is 0.72. Show more…
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