Computer Science · Computer Networks
Suppose four active nodes—A, B, C, and D—are competing for access to a channel using slotted ALOHA. Assume each node has an infinite number of packets to send. Each node attempts to transmit in each slot with probability p. What is the probability that some node succeeds in slot 4?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(1 - p)3
- 21 - 4p(1 - p)3
- 3[1 - 4p(1 - p)3] 4p(1 - p)3
- 44p(1 - p)3✓
Correct answer
4p(1 - p)3
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