Question

Question 9 of 10

Suppose the tree diagram below represents all the students in a high school
and that one of these students were chosen at random. If the student is
known to be a girl, what is the probability that the student is right-handed?
Boys
200
Girls
300
-50
150
50
250
Left-
handed
Right-
handed
Left-
handed
Right-
handed

Answer 1

Answer: 5/6 or 0.8333

Explanation:

Total girls: 300

Right-handed: 250

Left-handed: 50

Since it's not out of all students, just out of the girls, the probability is: 250/300=5/6