The correct answer is three.
Answer:

Step-by-step explanation:

(2 spreadsheets, 3 databases and 4 presentations,


As not mentioned other wise equal chances of all the outcomes is assumed so, by the classical definition of probability,
P(The chosen item is a odd numbered database)
=
Answer:
11h+13
Step-by-step explanation:
7h+4h=11h
9+4=13
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I think it’s 28 but I’m not sure