Answer:
Step-by-step explanation:
2x²-13x+21+6x²+29x-5
=8x²+16x+16
32/45 is the answer I believe
If you have a calculator with statistical functions, that's the way to go.
On my TI-83, I typed in invNorm(0.88) and got the result z = 1.17.
88% of the area under the normal curve is to the left of z = 1.17.
Step one: divide both sides by -2.3 to get X by itself: X=-.2. :)
