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Q73 Single choice

Which of the following code blocks removes all rows in the 6-column DataFrame transactionsDf that have missing data in at least 3 columns?

A
transactionsDf.dropna("any")
B
transactionsDf.dropna(thresh=4)
C
transactionsDf.drop.na("",2)
D
transactionsDf.dropna(thresh=2)
E
transactionsDf.dropna("",4)

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