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Florida State College at Jacksonville (Deerwood Campus) 11. At a small college,

ID: 3203163 • Letter: F

Question

Florida State College at Jacksonville (Deerwood Campus) 11. At a small college, the distribution of students taking statistics is shown in the following table (15pts) Freshman Sophomore Junior Total 20 25 63 Female 18 12 25 30 67 Male Total 30 130 a) If a student is selected at random, what is the probability the student is junior? b) If a student is selected at random, what is the probability the student is a sophomore or a male? c) a student is selected at random, what is the probability the student is a freshman given the student is female?

Explanation / Answer

Result:

11a)

P=55/130

=0.4231

b).P =(45+67-25)/130

=0.6692

c).

P=18/63

=0.2857