MCQ
Two dice are thrown. The probability that the total score is a prime number, is
- A$\frac{1}{6}$
- ✓$\frac{5}{12}$
- C$\frac{1}{2}$
- DNone of these
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$\frac{2}{3}$. If the student does not know the answer, then the student guesses the answer. Theprobability of the guessed answer being correct is $\frac{1}{4}$. Given that the student has answered
the question correctly, the probability that the student knows the correct answer is