1 plus or minus 2i radical 2
i is the square root of -1

where

is the CDF for

.
By symmetry of the distribution, you then have
Answer:
54, 36
Step-by-step explanation:
67+59+x=60*3
126+x=180
x=54
54 cones on Sunday
_____________________________________
180+x=54*4
180+x=216
x=36
36 cones on Monday
31.4 square inches-btw dont press the link someone in the comments gave you