Mathematics, 01.11.2019 05:31, ashleyd9243

The probability of a student scoring 75% in class work is 0.64, and the probability of a student scoring 85% is 0.45.

event a: the student scores 75%.
event b: the student scores 85%.

the probability of a student scoring 85% in class work, given that they have already scored 75% in class work, is 0.55. the probability of a student scoring 75% in class work, given that they have already scored 85% in class work, is 1.
which statement is true?

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The probability of a student scoring 75% in class work is 0.64, and the probability of a student sco...