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.
Learn more about bacterial here brainly.com/question/26130970
#SPJ4
A I believe is the correct answer
When a bond contract rate is less than the current market rate on the date of issuance, the bond will be sold at Discount
Discount = Contract rate is less than the market rate.
What is meaning of discount and its types?
When a reduction in the amount is allowed in order to encourage more purchase or to have an on time payment is referred to as discount. Discount are classified as: Trade discount: The discount which is allowed when purchases are made in large quantity is known as trade discount.
Contract rate:
The contract rate; also called the coupon rate, stated rate, or nominal rate; is the interest percentage listed on the face of a note or bond. In other words, this is the interest rate that will be paid on the principle balance for the life of the note or bond.
Learn more about bond contract rate:
brainly.com/question/24233531
#SPJ4
Answer and Explanation:
The subject of the email is too long and contains all the information. The subject should have been: Proposal draft due on Friday. Rest of the information should have been included in the body of the email.
The proactive prevention technique enhancements occur when the marketing or public relations department suggests that something relatively small is a bigger deal.
The American Public Relations Association defines public relations as "a strategic communication process that builds mutually beneficial relationships between an organization and its public." Basically, a PR specialist manages the public image and reputation of the organization.
Public relations is a unique management function that helps establish and maintain the interrelationships of communication, understanding, acceptance, and cooperation between an organization and the general public.
Learn more about public relations here
brainly.com/question/20313749
#SPJ4
