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

The probabilities of a student getting grade A, B, C and D are 0.2, 0.3, 0.15 and 0.35 respectively. Then the probability that the student gets

1) At least C grade is __________

2) At most C grade is ___________

## Answer this Question

## Related Questions

- statistics - After years of data collection by college students, it has been ...
- probabilityv - A school's administrators are concerned about absenteeism at ...
- Math - A student needed to get a final grade of 90 to get a grade of A for the ...
- Math - A student needed to get a final grade of 90 to get a grade of A for the ...
- stats - a student randomly guesses at five multiple-choice questions, each ...
- STAT - A student takes a ten-question true-false quiz, but did not study and ...
- statistics - in a class of 40 student,18 pass maths, 19 pass account,16 pass ...
- Statistics - A student studies for a statistics exam where all questions are ...
- stat - In a certain high school, the probability that a student drops out is 0....
- Check answers please Statistics - Suppose that each student in stat. has a 9% ...

More Related Questions