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

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