Numa universidade são lidos apenas dois jornais X e Y, 80% dos alunos lêem o jornal X e 60% o jornal Y. Sabendo-se que todo aluno é leitor de pelo menos um dos dois jornais. Qual é o porcentual de alunos que lêem ambos

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)