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:
Railroads were the first "big businesses" in the United States.
Explanation:
Based on the information given the amount of quick assets is $128,694.
Using this formula
Quick assets = Cash + Marketable securities + Accounts receivable
Where:
Cash=$16,106
Marketable securities=$37,992
Accounts receivable=$74,596
Let plug in the formula
Quick assets =$16,106 + $37,992+ $74,596
Quick assets = $128,694
Inconclusion the amount of quick assets is $128,694.
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Answer: go over your credit card limit
Explanation:if you go over your credit card limit you now owe more money to the bank.