Each question has four choices, then the probability to guess a correct answer is
and the probability to select incorrect choice is
.
You have a 5-question multiple-choice test, then n=5. The <span>probability that you will guess exactly three out of five questions correctly is </span>
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</span><span>
</span>
.
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Ratio + yb better + go cry
A = √(15²-9²) = √(225-81) = √144 = 12
Answer:
The answer is G
Step-by-step explanation:
2 x 6 = 12
12 - 6 = 6
_________
-2 x 6 = -12
-12 - 6 = (-18)