Contingency Tables · Exercise 1

shows a random sample of musicians and how they learned to play their instruments.
$$\begin{array}{ccccc}\text{Gender}& \text{Self-taught}& \text{Studied in School}& \text{Private Instruction}& \text{Total}\\ \text{Woman}& \text{12}& \text{38}& \text{22}& \text{72}\\ \text{Man}& \text{19}& \text{24}& \text{15}& \text{58}\\ \text{Total}& \text{31}& \text{62}& \text{37}& \text{130}\end{array}$$

Find P(musician is a woman).

Its source prints no answer for this problem, so there's nothing to check against.

OpenStax, Introductory Statistics 2e · §3.4 Contingency Tables · Exercise 1