if I had 3 alarm clocks and they work 88% accuracy what is the probability they will work

with battery or with electricity
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1 Answer

???????? yu wanna no chans at leest 1 klok sound alarm tu wake yu up ?????

88% chans 1 klok werk=12% it dont

chans all 3 kloks dont werk=(0.12)^3

=0.001728

or bout 0.2%
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