Winning the Lottery: Probability of 3 Friends Winning

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SUMMARY

The discussion centers on calculating the probability of at least 3 out of 6 friends winning a lottery where 10 out of 100 tickets are winners. The probability can be determined using the hypergeometric distribution, which is applicable in scenarios where sampling is done without replacement. The specific parameters for this calculation include the total number of tickets (100), the number of winning tickets (10), and the number of tickets purchased (6). The probability of exactly 3 winning tickets can be computed, and further analysis can provide insights into the likelihood of 4, 5, or all 6 tickets winning.

PREREQUISITES
  • Understanding of probability theory, specifically the hypergeometric distribution.
  • Basic knowledge of combinatorial mathematics.
  • Familiarity with statistical software or calculators capable of performing probability calculations.
  • Ability to interpret probability results in the context of lottery scenarios.
NEXT STEPS
  • Research the hypergeometric distribution and its applications in probability calculations.
  • Learn how to calculate combinations and permutations relevant to lottery ticket scenarios.
  • Explore statistical software options like R or Python for performing probability analyses.
  • Investigate the implications of different ticket purchase strategies on winning probabilities.
USEFUL FOR

This discussion is beneficial for mathematicians, statisticians, lottery enthusiasts, and anyone interested in understanding the probabilities associated with winning in lottery scenarios.

kthouz
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Hi everyone,
There is a lottery where in every 100 tickets 10 of them must win. Now, me and my friends want to try. We are 6 and we wish to play such that at least 3 of us win. Can anyone help me and tell me what is the probability that this happen?
Thank you.
 
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Hey kthouz.

Do you mean that you are buying 6 tickets in total and want to find the probability that 3 tickets will come up as a winning ticket?
 
chiro said:
Hey kthouz.

Do you mean that you are buying 6 tickets in total and want to find the probability that 3 tickets will come up as a winning ticket?
Yes that's what I mean
 

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