Answer:
D.
Step-by-step explanation:
with questions like this try using Desmos
Answer:
0.0009
Step-by-step explanation:


n = 8
This is the left tailed test .
The null and alternative hypothesis is ,


Test statistic = z=-3.12 from the table.
P(z <-3.12 ) = 0.0009
P-value =0.0009
Answer:
10/8, 20/16
Step-by-step explanation:
0.3(4x-8)-0.5(2.4x+4)
1.2x-2.4-1.2x+2
x-0.4