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1) In UB Café, it is found approximately 70% of people choose chicken sandwich and the...

1) In UB Café, it is found approximately 70% of people choose chicken sandwich and the rest choose something else.

a) what type of distribution should you use ?

b)What is the probability of selling 4 chicken sandwiches to the next 5 customers?

c)What are the mean and variance of the number of chicken sandwiches sold to the next 10 customers?

math   Statistics-And-Probability   
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