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How to Calculate Lottery Odds
Formula
Lottery odds use combinations: C(n,k) = n!/(k!(n-k)!), multiplied by the bonus ball pool if applicable.
For Powerball (5 from 69 + 1 from 26), jackpot odds are about 1 in 292.2 million.
Common use cases:
- Calculate odds for Powerball or Mega Millions
- Compare odds across lottery games
- Understand probability mathematics
Frequently Asked Questions
Emily Taylor
Certified Public Accountant, CPA, MBA
Emily is a Certified Public Accountant with an MBA in Finance. She has over 10 years of experience in tax planning, business accounting, and personal finance advisory. She develops practical financial tools for everyday money management.
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