Question

the probability of guessing the correct answer to a certain question is x/2. if the probability of not guessing the correct answer is 4/5, then find the value of x.​

Answer 1

Answer:

Here, probability of guessing the correct answer = x / 2

And probability of not guessing the correct answer = 4 / 5

Now, x / 2 + 4 / 5 = 1

⇒ 5x + 8 = 10

⇒ 5x = 2

⇒ x = 2 / 5(Answer)

Step-by-step explanation:

Hope it helps you :-)

Answer 2

Answer:

2/5

Step-by-step explanation:

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