Mathematics, 10.03.2020 00:44 boyle3758
Suppose that 70% of the customers of a fast food chain order french fries how many of the next twenty customers who place an order expected to order french fries?
Answers: 2
![P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[\tex]In which [tex]C_{n,x}[\tex] is the number of different combinations of x objects from a set of n elements, given by the following formula.[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[\tex]And p is the probability of X happening.The expected value is given by:[tex]E(X) = np](/tpl/images/0539/3700/0e564.png)
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Suppose that 70% of the customers of a fast food chain order french fries how many of the next twent...
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