Question: The partially filled contingency table gives the frequencies of the data on age (in years) and sex from the residents of a retirement home. Complete the entries in the table and use it to answer the following questions. Find each probability as a fraction (do not reduce) and a decimal rounded to the nearest thousandth.

If a resident is chosen randomly, find the probability that

a) the resident is female

b) the resident is over 79

c) the resident is female and over 79

d) the resident is female or over 79

e) the resident is female given the person is over 79

f) the resident is over 79 given the person is female