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From past experience, it is known that 60% of people making a purchase at a grocery store will use a VISA card. If there are
- From past experience, it is known that 60% of people making a purchase at a grocery store will use a VISA card. If there are 3 customers in line at the cashier, what is the probability that exactly one of the customers will use a VISA card?
- The numbers 0 through 9 are to be used in a bar code with 4 digits. The code 1065 is a valid example. Repetitions of numbers are not permitted. The codes 2248, 3963 or 7779 would not be permitted. How many different valid codes are there?
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College Algebra
Authors: Jogindar Ratti, Marcus S McWaters
2nd Edition
0321900014, 9780321900012
