Four candidates are to be interviewed for a job. two of them, numbered 1 and 2, are qualified, and the other two, numbered 3 and 4, are not. the candidates are interviewed at random, and the first qualified candidate interviewed will be hired. the outcomes are the sequences of candidates that are interviewed. so one outcome is 2, and another is 431. a. list all the possible outcomes

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?