The researcher wants to investigate whether carpet makes a difference in the mean bacterial concentration in air. the null and alternative hypotheses would be:
H0: The mean of the carpeted rooms = the mean of the uncarpeted rooms
Ha: The mean of the carpeted rooms ≠ the mean of the uncarpeted rooms
The attention of bacteria majorly depends on the awareness of inoculum, incubating temperature, and the metabolic country of inoculated pressure used. The bacterial concentration suspended in growth media may be calculated.
In idea, you could listen to cells through filtration or centrifugation, but likely no greater than a hundredfold. for your case, you're asking to concentrate by 10,000 fold. So you sincerely might want to develop denser cultures of cells. You can centrifuge your modern broth and resuspend the pallet in a clear broth.
In microbiology, the minimal inhibitory attention (MIC) is the lowest concentration of a chemical, generally a drug, which prevents the visible boom of a bacterium or bacteria.
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Answer:
d. Both a and b are correct.
Explanation:
Under a market economy the agents are free in both ways, they can arrenge their decision in open negociation with their supplier/employeer and can choose between the goods produced in the economy which ones to consume or not.
While in a communist economy it is a central planner who decide the output and payment for the families job.
Answer:
The correct word for the blank space is: public.
Explanation:
A public corporation has sold stock through an<em> Initial Public Offering </em>(IPO) to the public and that stock is currently traded on a <em>public stock exchange</em> or the <em>Over-The-Counter</em> (OTC) market. The ability to sell public shares is very important to these businesses as it provides them with a source of capital for investment.
Answer:
ABC company
Explanation:
Basically there are two markets i.e primary market and the secondary market.
The primary market is the market in which the initial public offer is taking place that means the new security is first offered to the public by the company whereas, in the secondary market, the broker or investor is involved while offering the securities.
In the given situation, the ABC company itself is involved while selling the shares of ABC stock in the primary market
