Answer:
it is B.
Step-by-step explanation:
B. can i have brainlyest please
Answer:
just add them
Step-by-step explanation:
Answer:
18/2.5 = 7.2
Step-by-step explanation:
Since there are 18 gallons at the beginning of the trip you divide by 2.5 to find out how much gas is left after each hour.
Answer: Fourth Option:
<em>"A tree with a height of 6.2 ft is 3 standard deviations above the mean"</em>
Step-by-step explanation:
It is said that an X value is found Z standard deviations from the mean mu if:

In this case we have that:


We have four different values of X and we must calculate the Z-score for each
For 


This means that: <em>A tree with a height of 5.4 ft is 1 standard deviation </em><em>above </em><em>the mean</em>
First Option: False
For 


This means that: <em>A tree with a height of 4.6 ft is 1 standard deviation </em><em>below </em><em>the mean</em>
Second Option: False
For 


This means that: <em>A tree with a height of 5.8 ft is </em><em>2 </em><em>standard deviation </em><em>above</em><em> the mean</em>
Third Option: False
For 


This means that: <em>A tree with a height of 6.2 ft is 3 standard deviations </em><em>above</em><em> the mean.</em>
Fourth Option: True