Directions: Study the following information carefully and answer the questions that follow: A bag contains 2 red balls, 3 white balls and 5 pink balls. |
A) \[\frac{4}{45}\]
B) \[\frac{3}{41}\]
C) \[\frac{7}{45}\]
D) \[\frac{2}{43}\]
E) None of these
Correct Answer: A
Solution :
\[n(S){{=}^{10}}{{C}_{2}}\] \[n(E){{=}^{2}}{{C}_{2}}{{+}^{3}}{{C}_{2}}\] \[\therefore \]\[P(E)=\frac{^{2}{{C}_{2}}{{+}^{3}}{{C}_{2}}}{^{10}{{C}_{2}}}=\frac{4}{45}\]You need to login to perform this action.
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