HP 12C#ABA hp 12c_solutions handbook_English_E.pdf - Page 146
probabilities for this type of problem dispensing with the use of tables
UPC - 492410746430
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What is the average number of customers in the waiting line at any time? The average waiting time? What is the average total time for a customer to wait and be checked out? The average number of customers in the system? Keystrokes Display .5 1 0.50 .9 2 2 1 0.56 0.69 Average # customers waiting in queue. 1 1.39 Average waiting time. 2 2.50 Average total time in the system. 1 1.25 Average # customers in system. With an HP-12C program on can readily calculate the necessary probabilities for this type of problem (dispensing with the use of tables) and perform additional calculations as well. KEYSTROKES DISPLAY CLEAR 1 0 0 0 0 09 16 00- 01- 1 02-44 33 0 03-45 48 0 04- 45 0 05- 0 06- 43 34 07-43, 33 09 08-43, 33 16 09- 40 10- 21 11- 43 36 12- 43 3 13- 10 145