Question: An advanced course in psychobiology is composed of 30 chemistry majors, 50 biology majors, 45 psychology majors, 50 engineering majors and 25 linguistics majors. All together, the class has 125 women and 75 men.

a.) If a single student is drawn randomly from the class, what is the probability that:

1. The student would be a woman?
2. The student would not be a psychology major?
3. The student would be either a biology major or engineering major?
4. The student would be an education major?

1. If two students are drawn randomly from the class, what is the probability that:
   1. Both of them would be men?
      ii) One would be a linguistics major and one would be a biology major?
2. If three students are drawn randomly from the class, what is the probability that:
   1. At least one would be a linguistic major?

ii) The first one draw would yield a psychology major, the second draw a chemistry major and the third draw an engineering major.

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