The third one its already in order
<span>3 is 1.0 below the mean. That is 1.0 / 0.9, or 1.1111... standard deviations below the mean.
So look up z < -1.11 on your graphing calculator.
It should be around 0.1335 or 13.35%</span>
As function is = 4x
so
4x=-x+5
5x=5
x=1
B hope that is correct answer
