Agirl scout troop sold cookies to raise funds. each troop member recorded the number of boxes she sold. the number of boxes sold was normally distributed with a mean of 22 boxes sold and a standard deviation of 4 boxes. in order to determine how many boxes would be sold the next year, the troop leader decided to focus on the range made from the bottom 30% to the top 20%. find the number of boxes that represent the desired range values.

22 and 26
20 and 25
22 and 24
21 and 24