Answer:
Step-by-step explanation:
Simplify:
Group same factor:
Add :
Apply the distributive law: -(a+b) = -a - b
Group same factor:
Subtract:
Add:
Group same factor:
Hence answer =
<u><em>~lenvy~</em></u>
The empirical rule says that approximately 68% of a normal distribution falls within one standard deviation of the mean. In this case, this would include all values of the variable in the interval
.
Answer:
-51/7
Step-by-step explanation:
-51/7 cannot be simplified