Answer
$0.99822$
Work Step by Step
$P(at \ least \ one )=1-P(none )=1-(1-0.41)^{12}=1-(0.59)^{12}=0.99822$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.