# 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 ?

https://brainmass.com/statistics/probability/probability-20976

#### 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 ?