5+1/7x=-2
-5 -5
1/7x= -7
X= -49
Answer:
.23
Step-by-step explanation:
3.2-5.7=-2.5 so its have to be a negative because a smaller number subtract a bigger number have to be equal to a negative number.
Answer:
C) $826.82 to $873.18.
Step-by-step explanation:
Sample mean (M) = $850
Standard deviation (s) = $54
sample size (n) = 36
Z for 99% confidence interval (Z) = 2.576
The confidence interval is determined by the following relationship:
Applying the given values, the lower (L) and upper (U) values are:
The answer is C) $826.82 to $873.18.