Question 1200420
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​29% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly selected. 
Find the probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is​ 
(a) exactly​ three, (b) at least​ four, (c) less than eight.
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In the post by @ElectricPavlov, all calculations, all numbers, and all answers are INCORRECT.



The correct answers are:


        (a)    0.246.       (b)    0.4765.       (c)    0.9924.



I checked using the online Binomial distribution calculator


https://stattrek.com/online-calculator/binomial


which is proven to be 100% correct.