Assume that in a neuroscience course the students perform an experiment. Tests are given to determine if people are right brained, are left brained, or have no predominance. It is also recorded whether they are right handed or left handed. The following chart shows the results obtained.

If one person who completed the survey is selected at random, determine the probability the person selected is.

Right handed, given that the person has no predominance.

Transcribed Image Text:

No Right Left Brained Brained Predominance Total Right handed Left handed 230 170 40 130 60 120 30 20 Total 160 400 160 80