what is the probability of scoring less than a 80 on a quiz that has a mean of 84 and a standard deviation of 3

goog may have it for you

mean, 40.6

step-by-step explanation:

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

because that’s us why