Question: GROUPING # 3 At a given organization, the EdvisitFact table has 7 5 0 rows of data. Exactly 2 5 0 of those rows store

GROUPING #3 At a given organization, the EdvisitFact table has 750 rows of data. Exactly 250 of those rows store a NULL value in a column named Observation Started instant. What value would a query of "SELECT COUNT Observation Startedinstant) FROM EdVisitFact' return? SELECT ONE OF THE FOLLOWING (2 PTS) A. O B.250 C.500 D.250

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