Question
The number of customers exceeding their credit limit is distributed as a binomial random variable. Past records indicate that the probability of customers exceeding their
The number of customers exceeding their credit limit is distributed as a binomial random variable. Past records indicate that the probability of customers exceeding their credit limit is 0.2.Suppose that on a given day there are 20 customers.
1)Find the probability that no customer exceed the limit
2)Find the probability that no more than 10 customers exceed their credit limit.
3)Find the probability that more than 10 customers exceed their credit limit.
4)Calculate the expected number of customers exceeding their credit limit on a day.
5)Calculate the standard deviation of the number of customers exceeding their credit limit on a day
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Algebra and Trigonometry
Authors: Ron Larson
10th edition
9781337514255, 1337271179, 133751425X, 978-1337271172
