Sample Questions
Introduction to Probability
Counting Techniques
a) U = {1, 2, 3, 4, 5, 6}.
b) U = {H, T}.
c) U = {H1, H2, H3, H4, H5, H6, T1, T2, T3, T4, T5, T6}.
d) U = {H, T, 1, 2, 3, 4, 5, 6}.
e) None of the above.
a) P({H6}) = 0.083.
b) P({T6}) = 0.083.
c) P({H6}) = 0.830.
d) P({H6}) = 0.038.
a) A = {5, 6}.
b) A = {H5, H6}.
c) A = {H6, T6}.
d) A = {H5, H6, T5, T6}.
a) P(A) = 0.166.
b) P(A) = 0.25.
c) P(A) = 0.333.
d) P(A) = 0.30.
a) A = {T1, T3, T5}.
b) B = {T1, T3, T5}.
c) B = {H1, H3, H5}.
d) B = {T2, T4, T6}.
a) P(B) = 0.50.
b) P(B) = 0.333.
c) P(B) = 0.20.
d) P(B) = 0.25.
a) C = {H1, H2, H3}.
b) C = {H1, H2, H3, H4}.
c) D = {H1, H2, H3}.
d) C = {T1, T2, T3}.
a) P(C) = 0.40.
b) P(C) = 0.25.
c) P(C) = 0.333.
d) P(A) = 0.25.
a) 18.
b) 360.
c) 120.
d) 60.
a) 16.67%.
b) 0.83%.
c) 4.17%.
d) 8.33%.
a) 720.
b) 240.
d) 360.
a) 0.14%.
b) 0.56%.
c) 2.78%.
d) 0.28%.
a) 60.
b) 20.
d) 80.
a) 0.17%.
b) 0.33%.
c) 1.67%.
d) 3.33%.
a) 303.
b) 3,003.
c) 5,005.
d) 2,002.
a) 0.0333%.
b) 0.0999%.
c) 0.0199%.
d) 0.0500%.
a) 12,870.
b) 18,564.
c) 8,568.
d) 3,003.
a) 0.0078%.
b) 0.0054%.
c) 0.0333%.
d) 0.0117%.
a) 6,188.
b) 2,380.
c) 3,060.
d) 1,994.
a) 0.0162%.
b) 0.0327%.
c) 0.0502%.
d) 0.0420%.
Return to Sample Module.
Probability Calculator Page