A probability of 0.075 corresponds to a z-score of about

, i.e.
Step-by-step explanation:
(300-60)/6,4=37,5
9 * 4 = 36 sooo 36 / 4 = 9
so the answer is 36 .
i hope this helps.
If we take 1200 as the 100%, how much percentage is 700 of it?
well

so, (175/3)% or roughly 58.3%
now, how much is (175/3)% of 15000 ?
well, if we take 15000 as the 100%
then