B is the answer have a great day
Answer:
78.88%
Step-by-step explanation:
We have been given that
The z-score formula is given by
For
For
Now, we find the corresponding probability from the standard z score table.
For the z score -1.25, we have the probability 0.1056
For the z score 1.25, we have the probability 0.8944
Therefore, the percent of the trees that are between 20 and 30 years old is given by
0.8944 - 0.1056
= 0.7888
=78.88%
Answer:
6(2x-5) when factored
Step-by-step explanation:
Answer:
-1
2
7
Step-by-step explanation:
4 - 5 = -1
7 - 5 = 2
12 - 5 = 7