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Mathematics, 07.05.2021 17:20 TimaGarcia
A teacher surveyed students about the number of hours they sleep each night. The results are shown in this table.
Less than 8 hours
of Sleep 8 or More Hours
of Sleep
Boys 71 101
Girls 25 123
Are the P(Boys) and P(Less than 8 hours of Sleep) independent or dependent?
A.
Independent: P(B) = P(B|less than 8 hours)
B.
Independent: P(B) > P(less than 8 hours)
C.
Dependent: P(B) < P(B|less than 8 hours)
D.
Dependent: P(B) > P(B|less than 8 hours)
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A teacher surveyed students about the number of hours they sleep each night. The results are shown i...
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