A small bicycle store is interested in estimating the proportion of customers who purchase a water bottle with a store name. The owner randomly selects 10 customers and observes whether or not they purchase the product. Assume that the probability of a customer purchasing the product is 0.7. 1) What is the probability that exactly 5 customers will purchase the product? 2) What is the probability that at least 7 customers will purchase the product?

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