Answer:
the first one is a logistic growth
Answer:0.017578
Step-by-step explanation:
Given
Nine coins are flipped
So the probability of getting a tail is 
Because on flipping a coin could either yield Head or tail
so getting a tail on nine trails is 
but this tail can come on first coin or second or third ....
So there are 9 possible ways
So probability of getting a tail on flipping nine coin is 

Answer:
155
Step-by-step explanation:
Answer:
if we take ratio then answer is option D