In a particular retail clothing store, approximately 25% of potential customers who walk into the store...

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In a particular retail clothing store, approximately 25% of potential customers who walk into the store make a purchase. In a random sample of 25 customers that walked into the store, a. what is the probability that exactly 12 of the customers make purchases? Round to 3 significant digits. b. what is the probability that at least 2 of the customers make purchases? Round to 3 significant digits. c. how many of the customers are expected to make purchases? Round to 3 significant digits. d. what is the standard deviation of the number of customers who make purchases? Round to 3 significant digits. In a particular retail clothing store, approximately 25% of potential customers who walk into the store make a purchase. In a random sample of 25 customers that walked into the store, a. what is the probability that exactly 12 of the customers make purchases? Round to 3 significant digits. b. what is the probability that at least 2 of the customers make purchases? Round to 3 significant digits. c. how many of the customers are expected to make purchases? Round to 3 significant digits. d. what is the standard deviation of the number of customers who make purchases? Round to 3 significant digits.

Answer rating: 100% (QA)

To solve these probability questions we can use the binomial probability formula PX k n C k pk 1 pn ... View the full answer