Posted by a student is selected at is the probability the th on Thursday, August 25, 2011 at 5:47pm.
a student is selected at is the probability the the randomly selected stundent is neither a 10th grade nor an 11th grade express your answer in fraction in simplest form

math  Ms. Sue, Thursday, August 25, 2011 at 5:50pm
Please reread your post. Does it make sense to you? Clarify and repost if you want help.
Also  what grades are being considered in addition to 10th and 11th? 
math  ali, Friday, August 26, 2011 at 7:18pm
i am good at math i go to school every day i love school so much i love my teacher and my school is name is sonoran sky

math  lulama, Monday, April 11, 2016 at 3:07pm
im not good on math but i like. math i don't now what can i do to be good on math.