If a weighted coin lands on heads only three percent of the time, what is the probability that the coin won’t land heads a single time when flipped 21 times?
I don't want to do (97/100)^21, that might take quite awhile
If a weighted coin lands on heads only three percent of the time, what is the probability that the coin won’t land heads a single time when flipped 21 times?
I don't want to do (97/100)^21, that might take quite awhile
I don't know any faster way to solve the problem. Note, however, that you don't need 20 multiplications: you can use the "square and multiply" technique.
More explicitly, you would compute the following sequence:
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