Author: oumichoukorokke

The odds of winning the first prize in the New Year's Postcard Lottery

I calculated the probability of winning based on the last six digits of a single New Year's postcard. Since the postcard numbers are displayed in hexadecimal, the possible selections are naturally listed in hexadecimal as well.

The odds of winning the first prize in the lottery

The odds of winning the first prize in the lottery are 1 in 10 million or 1 in 5 million. I had them calculate the odds of winning the first prize based on the last five digits of the ticket number.

The probability of food scraps falling onto the kotatsu blanket

Here is the formula I devised to calculate the probability that your food scraps will stain the kotatsu blanket: Area of the trapezoid * probability Use this formula to calculate the probability.