Answer:
C
Step-by-step explanation:
Is is a one-tailed test
P(z < 2.45) = 0.9929
1 - 0.9929 = 0.0071
Significant at both 0.05 and 0.01 because both are greater than 0.0071
Answer:
3/6
Step-by-step explanation:
no idea if its right
4 , divide the x by the y to find a constant
Combine like terms.
10x+6=24+9x
Put variables to one side and the constants to another.
x=-18
There is only one solution.
Hope this helps!