I need help with the probability question please.

Three coins were tossed. Answer the following questions: I] What is the probability that the rst ooin i5 \"Heads\" or "Tails" as an outcome? {5 points: 0 a. we O b. 114 O e. to O it. so C) e. None of the above ll: what is the probability that none of the coins is "Heads"? {5 points] O a. we 0 h. 1:4 O e. we O it. sits O e. None of the above llh what is the probability that only one of the ooins is "Heads"? {5 points] O a. no O h. 1M 0 e. to O o. 313 O e. None of the above