Question: Note:- please send me answer in typed form strictly prohibited hand written solution please don't use chatgpt otherwise I will report coursehero An experiment is

Note:- please send me answer in typed form strictly prohibited hand written solution please don't use chatgpt otherwise I will report coursehero

An experiment is carried out to investigate how well 100 nano-particles disperse uniformly, when introduced into a container of 900 other particles of similar size and shape. After the nano-particles are added at the top of the container, the researchers wait 10 hours before randomly selecting a sample of 20 particles without replacement from the bottom of the container.

aWhat is the probability that the sample will contain 10 nano-particles?

bWhat assumption did you need to make to answer part (a)? Please restrict your answer to one sentence

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