iran-konkur 2016 Q155

iran-konkur · Other · konkur-riazi_1395_specialized Discrete Probability Distributions Multiple Choice: Direct Probability or Distribution Calculation
155- In a bag there are $5$ white beads, $4$ blue beads, and $3$ red beads. We draw three beads from the bag. What is the probability that at most $2$ of the drawn beads are the same color?
(1) $\dfrac{17}{22}$ (2) $\dfrac{19}{22}$ (3) $\dfrac{39}{44}$ (4) $\dfrac{41}{44}$
%% Page 10 Physics 120-C Page 9
\textbf{155-} In a bag there are $5$ white beads, $4$ blue beads, and $3$ red beads. We draw three beads from the bag. What is the probability that at most $2$ of the drawn beads are the same color?

\begin{center}
(1) $\dfrac{17}{22}$ \hspace{2cm} (2) $\dfrac{19}{22}$ \hspace{2cm} (3) $\dfrac{39}{44}$ \hspace{2cm} (4) $\dfrac{41}{44}$
\end{center}



%% Page 10
\textbf{Physics} \hfill \textbf{120-C} \hfill \textbf{Page 9}