Posted by constance on Saturday, September 5, 2009 at 3:36pm.
i got the following wrong, but don't know what I did wrong
die rolled 30 times, what is the expected value that a 5 will appear. I thought 3.5, but was told wrong. Help!

math  PsyDAG, Sunday, September 6, 2009 at 2:25am
See your later post.
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