The correct answer is D.
The cost has risen 1,000$ (comparting the 1500$ he had paid, with the 2500$ his friend has offered for the vacation, 1000$ is the amount he would miss if rejecting the offer plus the value of the activity he would do instead of the skiing vacation).
This cost rise represents the concept of opportunity cost. It is referred, when making a decision, to the value that is missed when rejecting the alternative option.
Answer:
The group exposed to Treatment B is the control group.
Explanation:
When conducting experiments, researchers use a control group and an experimental or treatment group. For the experimental group, the independent variable is exposed to changes, while in the control group it isn't. The results of both groups are then compared to measure the influence of the modified variable.
In this case, if the group called Treatment A is the one designated as the treatment group, the Treatment B group must be the control group.
The statements most accurately describes the requirement for the documentation of minors' assent to participate in research is <span>Federal regulations do not require the documentation of minors' assent.
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
</span>
<span>Early modern Europe is the period of European history between the end of the Middle Ages and the beginning of the Industrial Revolution, roughly the late 15th century to the late 18th century. ... century or early 16th century. Significant dates in this transitional phase from medieval to early modern Europe canbe noted:.</span><span>
</span>
Answer:
If Costello demands from the newspaper, it can happen that: the newspaper must answer for the damages caused, since they are trying to liar Costello and that can cause people to have another image of him. Or it may also happen that the newspaper should not answer for what it has said, since the newspaper is respecting freedom of expression.