A sample consists of $16$ atoms of $222$Rn $($half$-$life $=3\mathrm{.}8$ days$)$

a$)$ What is the probability that exactly one half of the atoms decay in $2$d.

b$)$ Calculate the probability that one week could pass without the decay of a single atom.

c$)$ What is the probability that all atoms decay on the first day.

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Radioactive Decay of 222Rn Atoms We can use the concept of radioactive decay and probability to solv... View the full answer