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January 31, 2015

January 31, 2015

Posted by **Sharon** on Thursday, March 10, 2011 at 1:44am.

1) At least C grade is __________

2) At most C grade is ___________

- maths -
**PsyDAG**, Thursday, March 10, 2011 at 2:37amAt least C = A, B or C

Either-or probability is found by adding individual probabilities.

At most C = F, D or C

Is there no probability of getting an F?

P(F) = 1 - .2 - .3 - .15 - .35 = ?

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