Well, you already have the decay model, so just plug that in
Answer:
<u>One</u>
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Answer:
33/36
Step-by-step explanation:
Answer:
5/16
Step-by-step explanation:
As you can see in the 16 given possible outcomes, in 5 of them at least 3 coins land facing up. Since there are 16 outcomes in total, the probability that at least three coins land facing up is 5/16. Hope this helps!