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SMTP is a protocl that is used for __________________________. A. Sending digita

ID: 3571616 • Letter: S

Question

SMTP is a protocl that is used for __________________________.

A. Sending digital files over the internet

B. Sending music over the internet

C. Sending email over the internet

D. Sending raw data over the internet

E. Sending web pages over the internet



5.A single search of a database retrieved a total of 1,478 items. Of these, 123 pertain to the topic being studied. What is the value of the precision of this search?

A. 8.3%

B. 9.08%

C. 12.02%

D. 120%

E. Precision cannot be calculated from this information



6.Given a test in which there is overlap of the test results for diseased and non-diseased individuals (e.g., normal individuals are found who have test results ranging in value from 8 to 15, and diseased individuals are found who have test results ranging in value from 12 to 25, so that in the range of values 12 to 15 there are both normal and diseased individuals), if you move the cutoff value toward the diseased population (higher numbers in this example), sensitivity will _____________________ .

A. Increase

B. Decrease

Looking at an ROC curve on which the results of two diagnostic tests are plotted, the "better" test will lie __________________________ and to the _______________ of the "worse" test.

Explanation / Answer

SMTP is a protocol that is used for

Answer:c
Sending email over the internet.

5.A search of a database retrieved a total of 1,478 items .of these 123 pertain to the topic being studied.what is the value of precision of this search.
Answer:A
8.3

Looking at an ROC curve on which the results of two diagnostic tests are plotted, the "better" test will lie __________________________ and to the _______________ of the "worse" test.

Answer:
A.heigher,right