Medal
In the Heart and Stroke Lottery, raise money for research into heart disease and stroke. The lottery sells 250,000 tickets, claiming the odds of winning are approximately 1 in 3, or a probability of approximately 0.333.

Upon further investigation, however, it is discovered that there are only 70,990 prizes available. What is the actual probability of winning a prize, expressed as a decimal rounded to three decimal places?

Furthermore, there are only 158 big prizes, i.e. prizes that are worth more than the price of the

Question

Medal
In the Heart and Stroke Lottery, raise money for research into heart disease and stroke. The lottery sells 250,000 tickets, claiming the odds of winning are approximately 1 in 3, or a probability of approximately 0.333.

Upon further investigation, however, it is discovered that there are only 70,990 prizes available. What is the actual probability of winning a prize, expressed as a decimal rounded to three decimal places?
  
Furthermore, there are only 158 big prizes, i.e. prizes that are worth more than the price of the

anonymous · Answer

ticket (the other prizes are either of an equivalent or lesser value to the price of the ticket, so they are considered not worthwhile). What is the actual probability of winning a big prize, expressed as a decimal rounded to 4 decimal places?