In a class of 22 students, 15 play an instrument and 11 play a sport. There are 9 students who play an instrument and also play a sport. What is the probability that a student chosen randomly from the class does not play an instrument?

good luck on your studies! : )

david edward.

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c