Mathematics, 06.01.2021 16:20 maronetham6253
The number of possible pairings of 2 objects selected from a set of x objects can be modeled by p(x) = 0.5x(x - 1).
A
_Number of objects, x| Possible Pairings, p(x)
|__2__|___1___|
|_4___|6__|
|__9_. |___28___|
|13___|__78|
B
_Number of objects, x__|Possible Pairings, p(x)_
___2 |___1__)
5 |10
8 |28
12 |___66
C
_number of objects, x__|Possible Pairings, p(x)
___2 ___1
3 ___3
7 ___22
10 78
D
_Number of objects, x_| Possible Pairings, p(x)
2 ___1
4 ___6
10 ___44
12 ___66
Answers: 3
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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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