Double probability

The probability of success of the planned action is 60%. What is the probability that we will achieve success at least once if this action is repeated twice?

Correct answer:

p =  0.84

Step-by-step explanation:

p1=60%=60100=0.6  p=p1+p1p1 p1=0.6+0.60.6 0.6=2125=0.84

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