Answer:
Answer:(0,3)Step-by-step explanation:The solution in a set of graphs is where they intersect. In this graph, they intersect at (0,3)
X = 4.33333333333
y = 5.33333333333
z = 6.33333333333
Answer:
Step-by-step explanation:
2
Answer:
2.5, 5, 7.5
Step-by-step explanation:
Count.
Answer:
1245
Step-by-step explanation:
-Given the standard deviation is $9000 and the margin of error is $500.
-the minimum sample size at a 95% confidence level can be calculated using the formula:

Hence, the minimum sample size is 1245
*Since there's no data fromw which we are drawing our variables, we can manually input our parameters in excel and calculate as attached.