Question 81009
Number of tests taken Number of students 
0 12
1 8
2 2
3 3
4 or more 5
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If a student is selected at random, find the probability
a) the student has taken exactly two tests = 2/30
b) the student has taken at least two tests 10/30
c) the student has taken at most three tests = 25/30
d) the student has taken 3 or fewer tests= 25/30
e) the student has taken one or two tests.= 20/30
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Cheers,
Stan H.