SOLUTION: a fair coin is flipped 4 times. what is the probability that a) the last toss results in a tail b) if the first and second tosses are heads that the third is also a head c) if t

Algebra ->  Probability-and-statistics -> SOLUTION: a fair coin is flipped 4 times. what is the probability that a) the last toss results in a tail b) if the first and second tosses are heads that the third is also a head c) if t      Log On


   



Question 391926: a fair coin is flipped 4 times. what is the probability that
a) the last toss results in a tail
b) if the first and second tosses are heads that the third is also a head
c) if the first and second tosses are heads that the four tosses will result in two heads and two tails
d) the four tosses will result in four heads

Answer by jerryguo41(197) About Me  (Show Source):
You can put this solution on YOUR website!
a) 50%
b) ~13%
c) 25%
d) ~6%
a) One toss is 50/50 chance
b) Each toss is still a 50/50 chance *3 = ~13%
c) Each toss is still a 50/50 chance *2 = 25%
d) "" *4 = ~6%