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1.1) A detector placed next to a 1 9 sample of radioactive atoms detects an average of 10 decay events per day. What is the

1.1) A detector placed next to a 1 9 sample of radioactive atoms detects an average of 10 decay events per day. What is the probability that that 5 decays are detected on a randomly selected day? Assume that decay events are independent of each other. [3 marks]

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