Life Span
Research Has Claimed That the Average Life Span $\alpha$

question 100

Essay

Life span
Research has claimed that the average life span of a male mosquito is 15 days.To test this claim,the life spans of 20 male mosquitos were observed to have an average of 16.5 days and a standard deviation of 2.2 days.Assume that the life spans are normally distributed and set $\alpha$ = 0.05.
-State your conclusion.

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Definitions:

Annual Percentage Rates

A measure of the cost of credit, expressed as a yearly rate, including interest and other charges.

Annuity

A financial product that pays out a fixed stream of payments to an individual, typically used as part of a retirement strategy.

Fixed Period

Refers to a specific duration of time that does not change, often set for contracts or payments.