A) \[3\]
B) \[6\]
C) \[5\]
D) \[4\]
Correct Answer: C
Solution :
\[1-{{\left( \frac{2}{3} \right)}^{n}}>\frac{5}{6}\] |
\[{{\left( \frac{2}{3} \right)}^{n}}<\frac{1}{6}\] \[\Rightarrow \] \[n=5.\] |
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