Question: Question 7 1 pts (Calculation) Suppose you're working with a different radioactive species, one that has a half- life of 0.992 hours. You prepare your

Question 7 1 pts (Calculation) Suppose you're working with a different

Question 7 1 pts (Calculation) Suppose you're working with a different radioactive species, one that has a half- life of 0.992 hours. You prepare your standard solutions and your unknown, you irradiate the solutions in the Am-Be source and then you count the resulting radioactivity in the scintillation counter. Your results are as follows: Solution # Count rate (CPM) Time E?:::dsst;me 1 143 0:11:21 2 190 3 274 Unknown 358 4 370 5 373 Blank 13 Assuming no well correction is required, calculate the corrected count rate for solution #5. Calculate that rate for elapsed time = zero. Give your answer to the closest integer

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2. Find out if there are other reference points that can be used as reasonable alternatives.

1. Identify your reference point when making a decision based on an element of risk.

3. If there are reasonable alternatives, think about your decisions based on the different reference points and see if there are any contradictions in the decisions.