Mathematics, 09.12.2020 08:30 bubblegum2850
2. Telephone numbers in the United States begin with three -digit area codes followed by seven- digit local telephone numbers Area codes and local telephone numbers cannot begin with 0 or 1
a. How many area codes can be created?
b. How many phone numbers can be created
c. Which is greater, the answer to part b, or the phone numbers you can created If area codes can begin with 1, none of the values the numbers can have 0 ?
Answers: 1
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The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes
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2. Telephone numbers in the United States begin with three -digit area codes followed by seven- digi...
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