Solve this inequality 3q - 6 > 21
2 answers:
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Answer:
C
Step-by-step explanation:
Let's check the first condition [y=110, t=0] for all the choices and eliminate:
A)
NO
B)
NO
C)
YES
D)
NO
E)
NO
Note: e^0 = 1
Only C is satisfied. But let's make sure the 2nd condition applies as well.
Hence, y approaches 30 as t goes to infinity. 2nd condition is satisfied as well.
Answer is C
Answer:
D. As the sample size is appropriately large, the margin of error is ±0.15
Step-by-step explanation:
The number of students in the sample, n = 32 students
The percentage of the students that preferred studying abroad, = 25%
The confidence level for the study = 95%
As a general rule, a sample size of 30 and above are taken as sufficient
The z-value at 95% confidence level, z = 1.96
The margin of error of a proportion formula is given as follows;
Therefore, we get;
Therefore, the correct option is that as the sample size is appropriately large, the margin of error is ±0.15.