A ride sharing application, Ober, is looking to understand their position in the market and decided to conduct market research using $339$ people as a sample. Ober asked $2$

questions:

Do you fully understand how Ober operates?

Do you use Ober services?

$71$ indicated they do not fully understand how Ober operates; $67$ fully understand how Ober operates and do not use its services; $230$ use Ober's services. If one person is chosen

at random, what is the probability that this person uses Ober given that they fully understand how Ober operates? $(2$ decimal places$)$