The probability of success of three students X,Y and Z in the one examination are $$\frac{{1}}{{5}}$$, $$\frac{{1}}{{4}}$$ and $$\frac{{1}}{{3}}$$ respectively. Find the probability of success of at least two.

The probability of success of three students X,Y and Z in the one exam

1.	The probability of success of three students X,Y and Z in the one examination are $$\frac{{1}}{{5}}$$, $$\frac{{1}}{{4}}$$ and $$\frac{{1}}{{3}}$$ respectively. Find the probability of success of at least two.
A.	$\frac{{1}}{{6}}$$
B.	$\frac{{2}}{{5}}$$
C.	$\frac{{3}}{{4}}$$
D.	$\frac{{3}}{{5}}$$
Answer» B. $\frac{{2}}{{5}}$$

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The probability of success of three students X,Y and Z in the one examination are $$\frac{{1}}{{5}}$$, $$\frac{{1}}{{4}}$$ and $$\frac{{1}}{{3}}$$ respectively. Find the probability of success of at least two.

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