[See Solution] An insurance company says that 15% of all fires are caused by arson. A random sample of five fire insurance claims are under study. Let r
Question: An insurance company says that 15% of all fires are caused by arson. A random sample of five fire insurance claims are under study. Let r be the number of claims in this sample from fires that were started by arson.
- What is the expected number of arson fires among five fires?
- What is the standard deviation of r ?
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