Three fair coins are flipped at the same time.Each coin has the two possible outcomes: heads or tails. There are 8 possible outcomes for the three coins being flipped: {HHH,TTT,HHT,HTT,THH,TTH,HTH,THT}.

Let A be the event that the second coin flipped shows a head.

Identify the numbers of each of the following:

There are ______outcomes in the sample space.

There are __________________________________________outcomes in event A.

P(A)=_________________, is the probability that the second coin flipped shows heads.