I'm going to reword your question so it's easier to answer. I'm also going to pretend no one has 3 or more accounts because it's irrelevant.
22% have no accounts (220/1000)
What is the probability that 4 or more of the 10 participants has no account?
(220/1000)*(219/999)*(218/998)*(217/997)*(10 choose 4)
Answer:
50.4
Step-by-step explanation:
Answer:
kfdbmnnhbmtnj
Step-by-step explanation:
She began with 10. She has 11. Take away the 6 she just bought and that leaves 5. But she had sold half and ended up with 5. So she started with 10!
Answer:
0.19753086419
Step-by-step explanation:
