apparently its 65.5 but wouldnt that round up to 66
#aqa p2 question
potent carbon
upper bound of 65 is 65.5
dusty basalt
apparently its 65.5 but wouldnt that round up to 66
The bound is actually 64.999999999..., but we round it to 65.5 instead
Because you can call it a critical value: any value of x 64.5 <= x < 65.5 rounds to 65
so thats the bounds you use