Table of Contents . ALEKS , McGaw Hill Carpus McGraw Hill Campus O COUNTING AED PROBATELITY Counting principle with repetition allowed A pizza chain wants to send codes for $2 off a large pizza to the subscribers of it's e-mail list. Each coupon code will have three letters followed by two digits, The letters M. N. and O and the digits 1, 3, 5, and 7 will not be used, So, there are 23 letters and 6 digits that all be used. Assume that the letters and digits can be repeated. How many such coupon codes can be generated? coupon codes X Explanation Chock arch