Serrati marcescens is an infectious bacterial strain causing hospital-acquired infections with a probability of 0.9 per 9,000
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Question:
Serrati marcescens is an infectious bacterial strain causing hospital-acquired infections with a probability of 0.9 per 9,000 patients per month. Over the past month, your hospital has admitted 2,415 patients and observed 5 cases of Serrati marcescens infections. Assume the acquired infections are independent events
- Approximately how many patients would you need to admit in this time period to have a 50% chance of seeing one or more Serrati marcescens infection? Follow the steps in a-b to answer.
- Create a figure showing the probability of seeing one or more infections vs. sample size.
- Approximate the sample size required to produce a 50% probability from this curve.
Approximate sample size: ________?
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