@FujamParaColina@ricardoferrante@pmagria@nanybarra@Cardoso Pra mim a resposta ta na palavra “aleatoriamente”. Se for seguir a risca o enunciado, qualquer informação adicional obtida posteriormente (como ao observar as alternativas disponíveis) quebraria o requisito da aleatoriedade, então a resposta deve ser 25%, independentemente
The episode that aired after Bob Ross's wife died - "Gotta have a little sadness once in awhile so you know when the good times come. I'm waiting on the good times now." The Joy of Painting, Season 23, Episode 3.
The dirty little secret is that humanity knows so little that 4-5 years of intense study with a good understanding of calculus will put you at the frontier of any field.
Getting beyond the frontier is painstaking experimental work that then takes decades if you are risk averse.