Pls help is this correct

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Jane is cooking beans and rice for dinner tonight. she has 4 cans of black beans, 6 cans of red beans, and 3 cans of garbanzo beans in her cupboard. if she grabs a can of beans without looking at the label, what is the probability of her making black beans and rice for dinner?

Me because i don't understand how to do it.: )