Me and my brother are playing msp i have 930 coins and he has 230 how much does he need to catch up with me?

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm. dist(80,475,33,1) =norm. inv(0.80,475,33) =norm. s.inv((80-475)/33)?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read