Saturday

January 31, 2015

January 31, 2015

Posted by **Anonymous** on Tuesday, April 24, 2012 at 4:45pm.

- math -
**SoccerStar**, Tuesday, April 24, 2012 at 5:12pmThere are 12 grades total. To find the probability of A OR B, you would add the amount of A and B grades together. amt. of A's- 4 amt. of B's- 2.

2+4=6

probability of an A or B is 6/12 or 1/2

**Answer this Question**

**Related Questions**

Statistic - There are two independent multiple-choice quizzes where quiz 1 has ...

statistic and probability - There are two independent multiple-choice quizzes ...

math - A professor grades students on three tests, four quizzes, and a final ...

math - A professor grades students on three tests, four quizzes, and a final ...

Math - John has scores of 88,73,90,85,93 on five math quizzes. What scores must ...

Help - Math - A teacher gave his class two quizzes; 80% of the class passed the ...

math - Mrs. Cason gives her class a spelling quiz every Monday, a math quiz ...

Math - Can someone guide me with this question? Four teachers and five students ...

MATH! - how do you solve this plz show me how you do this 1. on her last three ...

math - Lee forgot to study for her geography quiz, but she was not too worried ...