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Probability

Please use Excel when necessary:

Acording to a recent survey, 70% of all customers will return to the same grocery store.
Suppose 10 customers are selected at random, What is the probability:
a) Exactly 5 of the customers will return?
b) All 10 customers will return?
c) At least 7 of the customers will return?
d) Less than 5 customers will return?
e) How many customers would be expected to return to the same store ?

Solution Summary

Please use Excel when necessary:

Acording to a recent survey, 70% of all customers will return to the same grocery store.
Suppose 10 customers are selected at random, What is the probability:
a) Exactly 5 of the customers will return?
b) All 10 customers will return?
c) At least 7 of the customers will return?
d) Less than 5 customers will return?
e) How many customers would be expected to return to the same store ?

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