The Lifespan of Salmon Flies Is Normally Distributed with a Mean

question 143

Short Answer

The lifespan of salmon flies is normally distributed with a mean of 60 days and a standard deviation of 20 days.
What percentage of a salmon fly population lives less than 12 days?
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What percentage of a salmon fly population lives between 80 and 101 days?
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Find the value x₀ such that 6.3% of a salmon fly population live less than x₀ days.
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Definitions:

Good Samaritan Statutes

Laws offering protection to individuals who give reasonable aid to those who are injured or in peril, without fear of being sued for unintentional harm.

Impose Liability

To legally hold an individual or entity responsible for causing harm or damage, making them subject to penalties or compensation.

Pure Comparative Negligence

A defense accepted in some states whereby the defendant is not liable for the percentage of harm that he or she can prove can be attributed to the plaintiff’s own negligence.

25%

A quarter of something, often referred to in contexts of percentages, rates, or divisions.