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Which of the following decays violates conservation of lepton number?
Defined Contribution Plan
A retirement plan where the amount of the retirement benefits is determined by the contributions to the plan and the performance of the investments.
Risk-free Return
The theoretical return on an investment with zero risk, often represented by the yield on government bonds.
Standard Deviation
A measure of the amount of variation or dispersion of a set of values, indicating how much the values in a data set differ from the mean.
Defined Contribution Plan
A retirement plan where the employer, employee, or both contribute to an individual's account, and the retirement benefits depend on the account's investment performance.
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