X=4
explanation:
-reduce the fraction
-make the numerators equal
-divide both sides by 5
Answer: 37
Step-by-step explanation:
Given : Significance level : 
Critical value : 
margin of error : E= 1 mile per gallon
Population standard deviation:
miles per gallon.
We know that when the population standard deviation is known then the formula to find the sample size is given by :

[Round to the next whole number.]
Hence, the required number of automobiles should be used in the test = 37
Answer:
60$ (b)
Step-by-step explanation:
we know that 20% of the total is peters - and peter has 12 dollars. We know that 20% 5 times gets us to 100%. So we multiply 12 by 5 to get a total answer of 60$
The graph says it shows ...
.. A) The height of students.
Answer:
Here are 3 different pairs (0,4) , (1,2) , (2,8)
Step-by-step explanation:
Hope this helped