The correct answer is Only (A) and (C) are true
Explanation:
In a study or research, the control group is the one that does not receive a treatment. This means, in this case, the control group includes those who only drink the green tea without the herbs because they serve as a standard to measure the effects of the herbs. This makes statement A (The "only green tea" group serves as the control group) true; also, the group receiving the herbs is the experimental group.
On the other hand, a double-blind study is one in which the researchers and the participants ignore who is receiving the treatment, which guarantees there is objectivity. This occurs in the study presented because neither the researcher nor the subjects known who received the herbal mix. Thus, statement C (This study is double-blind) is true.
Finally, a study is classified as observational if there is not intervention but the researchers just observe participants to study a phenomenon. This does not occur in the study presented because there is an intervention through the herbal treatment, and therefore the study is not observational.
Answer:
D. Should Shut Down
Explanation:
A perfect competition firm is at profit maximising equilibrium where : Marginal Revenue [Price] = Marginal Cost .
If MR > MC : Firm's additional production is profitable, it tends to increase production. If MR < MC : Firm's additional production is loss making, it tends to decrease production.
However, If firm's Price i.e MR < Average Variable Cost : The firm's per unit price is even unable to cover it's per unit average variable cost. This situation is referred to as 'Shut Down' point & firm should close down its production in the case.
Given : MR = P = 3 ; MC = 4 ; AVC = 3.5 . The firm's price P (3) is not only lesser by its Marginal Cost MC (4), to decrease production ; but also lesser than its Average Variable Cost AVC (3.5) . So, the firm should shut down.
Answer:
The answer is C.
Explanation:
Current ratio shows the liquidity of of a company. This ratio tells us how a company or business is able to meet its short obligation.
This ration is very important to lenders because they use it to know of you will be able to meet the interest payment and principal
The formula for current ratio is:
Current assets/current liabilities
Total current assets is $493,000, Total current liabilities is $357,000
= $493,000/$357,000
=1.38
Paraplegic is set to manifest in an individual if the person
has paralysis on both of his or her lower limbs and the cause of this is likely
because of an injury or spinal disease. The life expectancy of a person who has
this illness is not definite because early than 18 months, there is already
death within individuals who has this disease. But base on researches, its life
expectancy is 18 months.
