The answer to this question would be: <span>The new survey’s margin of error will be between 50% and 100% the size of the original survey’s margin of error.
A bigger sample will result in a narrower margin of error which is a good thing because your data will become more accurate. But twice size will not improve the margin into the half. It definitely became lower than 100% though
</span>
Answer:
l=40
Step-by-step explanation:
The area is calculated as
A = wl
1200=30l
1200/30=l
40=l
OPTION C is the correct answer.
Hope it helps you.
Answer:
x = -12/5
Step-by-step explanation:
hope this helps you
Answer:
B. NON-REPRESENTATIVE
Step-by-step explanation:
<em>The sample does not represent the population as a researcher is taking a sample from the hospital where the cholesterol level of the patient is generally high and the researcher is not randomly selecting the U.S. citizens.</em>
Thus, option (B) is correct.
Further, the sample is a subset of the population and it is easy to analyze as compared to the population.
The sample is said to be representative if it represents the whole population.