Madmazel

A lottery has one $1000000 prize, two $50000 prizes, ten $1000 prizes, and two hundred $50 prizes. There are to be one milllion tickets sold. How much pofit does the lotto company make if they sell the tickets for $2.00 each?

The height of 16-month-old seedlings are normally distributed with a mean of 31.5 cm and standard deviation of 10 cm. What is the height above which 75% of the seedlings have grown?