
A fair spinner has five equally sized sectors labeled 1 through 5. If the spinner is spun twice, what is the probability the two numbers sum to 7?
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Get StartedA fair spinner has five equally sized sectors labeled 1 through 5. If the spinner is spun twice, what is the probability the two numbers sum to 7?
Options:
- 4/25
- 1/5
- 3/25
- 2/5
Correct answer: 4/25
Explanation: Ordered pairs summing to 7 are (2,5),(3,4),(4,3),(5,2), four outcomes out of 5×5=25, so the probability is 4/25 (approximately 0.16).
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