1.

A bag contains 2 white and 4 black balls. A ball is drawn 5 times with replacement. The probability that at least 4 of the balls drawn are white is        [AMU 2001]

A.        \[\frac{8}{141}\]  
B.        \[\frac{10}{243}\]
C.        \[\frac{11}{243}\]
D.     \[\frac{8}{41}\]
Answer» D.     \[\frac{8}{41}\]


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