Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSProbability1 Mark
Question
A die is thrown, find the probability of getting: A prime number.
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Answer
$\because$ A die is thrown $\therefore\text{n}\text{(s)} = 6$ Let E be the event of getting prime number $\therefore\text{E} = {2, 3, 5}$ $\text{N}\text{(E)} = 3$ $\therefore\text{p}\text{(E)}=\frac{\text{n(E)}}{\text{n(S)}}=\frac{3}{6}=\frac{1}{2}$ $\therefore\text {p}\text{(E)}=\frac{1}{2}$
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