A poll was taken of 10,439 working adults aged 40-70 to determine their level of education. The participants were classified by sex and by level of education. The results are shown below.

Education Level Male Female Total
High School or Less 2023 3264 5287
Bachelor's Degree 2225 2113 4338
Master's Degree 416 305 721
Ph.D. 45 48 93
Total 4709 5730 10,439

What is the probability that the selected person has a Ph.D., given that she is female?

What is the probability that the selected person is male, given that he has a Master's degree?

2 answers

48/5730 = ?

416/721 = ?
What virus?