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i How many three-digit phone prefixes that are used to represent a particular geographic area (such as an area code) can be created from the digits 0 through 9? H. As in part i., how many three-digit phone prefixes are possible that do not start with 0 or 1, but contain 0 or 1 as the middle digit? i. How many three-digit phone prefixes are possible in which no digit appears more than once in each prefix? b) Suppose that an operating room needs to handale three knee, four hip, and five shoulder surgeries. i. How many different sequences are possible? ii. How many different sequences have all hip, knee, and shoulder surgeries scheduled consecutively? iii. How many different schedules begin and end with a knee surgery?

i How many three-digit phone prefixes that are used to represent a particular geographic area (such as an area code) can be created from the digits 0 through 9? H. As in part i., how many three-digit phone prefixes are possible that do not start with 0 or 1, but contain 0 or 1 as the middle digit? i. How many three-digit phone prefixes are possible in which no digit appears more than once in each prefix? b) Suppose that an operating room needs to handale three knee, four hip, and five shoulder surgeries. i. How many different sequences are possible? ii. How many different sequences have all hip, knee, and shoulder surgeries scheduled consecutively? iii. How many different schedules begin and end with a knee surgery?

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Q-4: Consider the design of a а) communication system. i. How many three-digit phone prefixes that are used to represent a particular geographic area (such as an area code) can be created from the digits 0 through 9? ii. As in part i., how many three-digit phone prefixes are possible that do not start with 0 or 1, contain 0 or 1 as the middle digit? i. How many three-digit phone prefixes are possible but iii. in which no digit appears more than once in each prefix? Suppose that an operating room b) needs to nandle three knee, four hip, and five shoulder surgeries. i. How many different sequences are possible? ii. How many different sequences have all hip, knee, and shoulder surgeries scheduled consecutively? i. How many different schedules begin and end with a knee surgery?
Transcribed Image Text:Q-4: Consider the design of a а) communication system. i. How many three-digit phone prefixes that are used to represent a particular geographic area (such as an area code) can be created from the digits 0 through 9? ii. As in part i., how many three-digit phone prefixes are possible that do not start with 0 or 1, contain 0 or 1 as the middle digit? i. How many three-digit phone prefixes are possible but iii. in which no digit appears more than once in each prefix? Suppose that an operating room b) needs to nandle three knee, four hip, and five shoulder surgeries. i. How many different sequences are possible? ii. How many different sequences have all hip, knee, and shoulder surgeries scheduled consecutively? i. How many different schedules begin and end with a knee surgery?
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