A Perfectly Balanced Coin Is Tossed 6 Times and Tails

Multiple Choice

A perfectly balanced coin is tossed 6 times and tails appears on all six tosses.Then, on the seventh trial,

A) tails cannot appear
B) heads has a larger chance of appearing than tails
C) tails has a better chance of appearing than heads
D) heads and tails both have an equal chance of appearing
E) none of the above