As of January 25, 2022, 80% of the population of France was at least partially vaccinated against the Covid-19 virus (source: Our World in Data).


Assume that 4 people are selected at random from France.
Fill in the blanks to answer the questions, and round answers to three decimal places:



a) What is the probability that all four people selected have been vaccinated.

P(all four vaccinated) =


b) What is the probability that none of the people has been vaccinated?

P( none vaccinated) =


c) What is the probability that at least one of the people has been vaccinated?

P(at least one vaccinated) =

PLLS help me