Find the critical value za/2 that corresponds to the confidence level 84%

can someone answer this question plz

step-by-step explanation:

hdjd

step-by-step explanation:

step-by-step explanation:

the true ones are a b and d

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