Question: I'm doing this problem incorrectly and I don't see where I'm going wrong. Can someone walk me through these steps? I'm dividing 117,000 with the

I'm doing this problem incorrectly and I don't see where I'm going wrong. Can someone walk me through these steps?

I'm dividing 117,000 with the standard deviation 508638.08= .23.

using z table= 0.5910.

What is the probability that a randomly selected day from 2013 will have a Group Trades total within 117,000 of the mean?

mean=3421439

standard deviation= 508638.08

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