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OpenStudy (anonymous):
a random variable x is distributed normally with E(X) = 7 and S(X) = 4. Find p(3<= X < 4.5)
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OpenStudy (anonymous):
sorry but i cant help you again i am so sorry
OpenStudy (anonymous):
its ok. I just wanna make sure im getting to the right answer. I dont know if my calculation is correct
OpenStudy (anonymous):
well i could tell you 2+2 =4 in the blink of an eye but some problems are harder then others!!
OpenStudy (anonymous):
sry for saying the wrong thing or something
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