Question: A new counting system has been installed. A 24-hour background count results in 164 counts. (a) Based on this result, calculate (at 95% confidence) the

A new counting system has been installed. A 24-hour background count results in 164 counts.

(a) Based on this result, calculate (at 95% confidence) the critical detection level (CDL) and the MDA (for a 24-hour count time)

(b) Will you be able to quantify the activity in a sample that results in 215 gross counts (in 24 hours) with 95% confidence?

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