James decides to clean up his rooms. While cleaning, he accidentally knocks three coins off his desk. The coins actually land on the chair below, fins the odds:

A) in favor of getting exactly three heads

B) Against getting exactly two heads.

Question

James decides to clean up his rooms. While cleaning, he accidentally knocks three coins off his desk. The coins actually land on the chair below, fins the odds:

A) in favor of getting exactly three heads


B) Against getting exactly two heads.

anonymous · Answer

b

anonymous · Answer

have to answer for both working on them right now.

anonymous · Answer

ohh well then i dont understand

anonymous · Answer

A is easier. What is the chance of 1 coin being head? 50% or better use 1/2 probability.
Now we just need to check how this changes if there are 3 coins.
Any guess?

anonymous · Answer

For both ways it is also an option to count all the possible outcomes and than count all the possible good outcomes.

anonymous · Answer

I meant for both A and B