The probability of getting the correct answer to a certain question is x/5. If the probability of not getting the correct answer is (9x)/5, then x is
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Answered by
1
Answer:
Step-by-step explanation:P(guessing the correct answer ) =
2
x
P(not guessing the correct answer) =
2
3x
Therefore,
2
x
+
2
3x
=1
2
4x
=1
2x=1
x=
2
1
Answered by
0
The answer should be X/5+9X/5 =1
i.e X = 1/2 or .5 just in case you are wondering why X/5+9X/5= 1 it’s because probability of fav & unfavourable outcome is always 1
i.e X = 1/2 or .5 just in case you are wondering why X/5+9X/5= 1 it’s because probability of fav & unfavourable outcome is always 1
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