Two fair dice are thrown. Find the probablity of getting a number divisible by 2 or 4
\(\large \color{black}{\begin{align} & \normalsize \text{ Two fair dice are thrown. Find the probablity}\hspace{.33em}\\~\\ & \normalsize \text{ of getting a number divisible by 2 or 4}\hspace{.33em}\\~\\ & a.)\ \dfrac{1}{2} \hspace{.33em}\\~\\ & b.)\ \dfrac{3}{4} \hspace{.33em}\\~\\ & c.)\ \dfrac{1}{3} \hspace{.33em}\\~\\ & d.)\ \dfrac{2}{3} \hspace{.33em}\\~\\ \end{align}}\)
The probability of a number divisible by 2 (2,4,6) => 3/6 =1/2 Probability of number divisible by 4 (4) => 1/6 Final probability => (1/2) / (1/6) => 2/3
Final probability: W
sorry...typos:-)
Final probability: We have to add (1/2) + (1/6) = 2/3
but the answer given is a.) 1/2
`two dice ` not just one Jhulian :=))
2 dice, and at least one is divisible by 2 or 4 ? or exactly one?
or is it the sum of both ?
i m also confused about that sum or individual thing that y posted here :)
i see :) lets solve in either way
The correct answer is 1/2 = A
i assumed sum should be divisible by 2 or 4 so \[(1,1)( 1,3)(1,5) (2,2)(2,4)(2,6)(3,3)(3,5)(4,4)(4,6)((5,5)(6,6)\] total = 36 12/36 are divisible by 2 \[\color{Red}{( 1,3)(2,2)(2,6)(3,5)(4,4)(6,6)}\] and 6/36 divisible by 4 \[\frac{ 12 }{ 36}+\color{ReD}{\frac{6}{36}}\]
OMG...My bad :-)
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