A student does not know the correct answer of a certain question. The probability of guessing the correct answer of that question is x/3. If the probability of not guessing the correct answer is x/5, then find x.
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5
Answer:
Step-by-step explanation:
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Answered by
4
Answer:
X = 15/8
Step-by-step explanation:
We know the total probability = 1
=>x/3 + x/5 = 1
=> (5x + 3x)/15 = 1
=> 5x + 3x = 15
=> 8x = 15
=> x = 15/8
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