Confidence interval

I have a data set of which I would like to determine the confidence interval.
There are 120 independent events showing a result of 187.50.
I'm willing to provide the database to anyone to help determine the confidence interval of these events resulting in a value above 0, 25% and 50% of the 187.50 value.
More information can be provided upon request.

Basically, I need a confidence interval for 120 events equaling 187.50, not sure if more info is needed.

P.S. I'm also willing to pay via paypal or ach an amount equal to $40.00 for such information.
Just post the entire problem, show the work you have done so far, remove the last line of the post and you'll probably get some help.
 
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