Answer:
If the first rule is observed, the database is said to be in "first normal form." If the first three rules are observed, the database is considered to be in "third normal form." Although other levels of normalization are possible, third normal form is considered the highest level.
The item is followed by three dots
Answer:
A.
0.833
Explanation:
m = 3
Arrival rate, ra = 45 per hour
Service rate, re = 18 per hour per lane
Utilization factor = ra/(m.re)
= 45/(3*18)
= 0.833
Therefore, The utilization factor of the system is 0.833
Answer:
d. ethnographic research
Explanation:
Ethnographic research -
It is a type of research method , where the people tries to interact with the people in real life , in order to get the best and most pure information regarding the research topic , is referred to as ethnographic research .
The method is very effective and efficient to attain knowledge for the research topic .
Hence , from the given scenario of the question ,
The correct option is d. ethnographic research .
Based on the information given, Martha is incorrect. Sam's quantity demand has decreased.
<h3>
What is demand?</h3>
Demand means the quantity of a good and services that consumers are willing and able to buy at various prices during a given period of time
In this case, Martha is incorrect. This is because Sam's quantity demanded has decreased, and his demand has not changed.
Learn more about demand on:
brainly.com/question/1245771
