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http://www.khanacademy.org/#browse
Scroll down to the statistics section (almost at the bottom) and see if there are lessons there that will be useful for you.
1. Observe the number of customers visiting a particular ATM Centre during any day from March 21 to 26, 2011 between 10 a.m. – 12 noon with a time interval of 5 minutes (number of customers using the ATM every 5 minutes). Calculate the average number of customers arrived during 2 hour period.
Apply the probability and theoretical distribution concepts and interpret the results.
Also find the probability of:
a. No customer arrives in the given time interval;
b. More than two customers arrive in the given time interval.
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