Practicing Success
Practicing Success
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The probability that an event A happens in one trial of an experiment is 0.4. Three independent trials of the experiment are formed. The probability that the event A happens at least once is |
0.936 0.784 0.904 none of these |
0.784 |
Required probability = 1 - P (The event does not happen in any trial) $= 1- (0.6)^3 = 0.784$ |
