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Alternate Wordings for 'In a shop there are 20 customers 18 of whom will make a purchase. If three customers are selected one at a time at random what is the probability that all will make a purchase?
Wiki User
∙ 10y ago
Here is another way to phrase the question: If 18 out of 20 customers make a purchase in a shop, and three customers are selected at random, what is the probablity that all will make a purchase?
Each random customer has a 18/20 chance of being one that purchased, so the probability that all three make a purchase is 18/20*18/20*18/20=.729
Wiki User
∙ 10y ago
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In a shop there are 20 customers 18 of whom will make a purchase If three customers are selected one at a time at random what is the probability that all will make a purchase?
18/20 x 17/19 x 16/18 = 4896/6840, or around 71.6%.
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1 over 10,000
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In a shop there are 20 customers 18 of whom will make a purchase If three customers are selected one at a time at random what is the probability that all will make a purchase?
18/20 x 17/19 x 16/18 = 4896/6840, or around 71.6%.
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customers are going to purchase a car
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What is nature of business activities?
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What is prevailing market price of a product?
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Where can you purchase copies of Wilder quarterly online?
There are several online stores that allow customers to purchase Wilder Quarterly online. Barnes & Noble's official website allows customers to purchase books such as Wilder Quarterly at a very good price.
AmazonBooks provides books via what service?
Amazon Books provides books to customers through a number of services. Through Amazon, customers can purchase new or used books and have them shipped directly to them. Customers can also purchase electronic books for reading on digital devices.
