70 % of the Hockey referees freeze the pucks before the game. If 8 referees are chosen at random what is the probability that exactly 5 of them freeze the puck before the game?
A) 70 %
B) 8 %
C) 5%
D) 15 %
E) 25 %
Answer: E
8C5*(0.7)^5*(0.3)^3
8C5 = 8!/{(8-5)!*5!} = 56
560.1680.027 =...
binomialdistribution
dat
dat destroyer
dat prep
dat study materials
dental school
math destroyer
oat destroyer
pre dental
probability
quantitative reasoning
