Answer:
4+(-6)+8+(-1)
Step-by-step explanation:
if she starts off at 4 points and her first turn she cuts 6 trees then you can add a negative 6 which is the same as subtracting that 6 when she plants 8 add those points then for her last turn add a negative 1 which is the same as subtracting 1 and she should end up with 5 points.
Answer:
1/49
Step-by-step explanation:
Answer:
Step-by-step explanation:
By definition, the variance V of a population is defined as:
Where is the standard deviation
We know that , then we can solve the equation for the standard deviation
Finally the standard deviation is: