Question 1176887
          Steak Lobster Total
Inside   28    21        49
Outside 10   29       39
Total   38     50       88

a. this is asking one thing so it is a row total over a column total 49/88=0.5568
b. this is a junction of a row and column divided by the total of 88, so 28/88=0.3182
c. this is sum of row and column minus where they join, which is double counted: 59/88=0.6705
d. this is column in denominator with one cell in numerator or 28/49=0.5714