Answer:
and this Z-score is “unusual.”
Step-by-step explanation:
To calculate the Z score use the following formula
Where
μ is the average
is the standard deviation
x is the data to which we will calculate the z-score
In this case
So
A z-score is unusual if or
Finally
and this Z-score is “unusual.”
Answer:
The fraction is 1/8
Step-by-step explanation:
see the attached figure to better understand the problem
Observing the pie chart
The approximate central angle of trees that are oak is about 45°
Divide 45°/360°=1/8
therefore
The fraction is 1/8
Answer:
Step-by-step explanation:
The picture attached is the complete question for this problem while the word file attached is the solution to the problem.
