The probability of happening an event A in one trial is 0.4. The probability that the event A happens at least once in three independent trials is [IIT 1980; Kurukshetra CEE 1998; DCE 2001]

The probability of happening an event A in one trial is 0.4. The proba

1.	The probability of happening an event A in one trial is 0.4. The probability that the event A happens at least once in three independent trials is [IIT 1980; Kurukshetra CEE 1998; DCE 2001]
A.	0.936
B.	0.784
C.	0.904
D.	0.216
Answer» C. 0.904

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The probability of happening an event A in one trial is 0.4. The probability that the event A happens at least once in three independent trials is [IIT 1980; Kurukshetra CEE 1998; DCE 2001]

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