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Mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The average tread life was found to be 80,000 kilometres with a standard deviation of 5,600 kilometres. What is the best estimate of the average tread life in miles for the entire population of these tires?
RRSP
Registered Retirement Savings Plan, a type of Canadian account for holding savings and investment assets, with advantageous tax benefits.
Annuity
A financial product that pays out a fixed stream of payments to an individual, typically used as part of a retirement strategy.
Compounded semi-annually
The process of adding interest to the principal sum of a loan or deposit, or "compounding," twice each year.
Deferral period
The time span during which payments or obligations are postponed or delayed.
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