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Please help! Thanks! A fair coin is tossed 25 times. What is the probability that at least 3 tails occur?
Please help! Thanks!
A fair coin is tossed 25 times. What is the probability that at least 3 tails occur?
a) 0.000068545
b) 0.999921739
c) 0.999990284
d) 0.000000030
e) 0.999990314
f) None of the above.