How would I solve these questions?

1.

Clock hour hand between 3 and 6 A random time is chosen on an analog clock (with hour, minute, and second hands). What is the probability that the hour hand is between the 3 and the 6? \f4 horses, ABCD There are 4 horses in a race: Alice, Bob, Carl, and Dan. Bob is three times more likely to win than Alice. Dan is twice as likely to win than Carl. Dan is four times more likely to win than Alice. What is the probability that Carl wins?Biased coin probability l have a biased coin. The probability of the coin coming out Heads is three times as likely as it coming out Tails. What is the probability of the coin coming out Heads if I toss it one time? \fBiased Coin, probability of 6 Heads out of 10 You have a biased coin that comes up Heads with probability ,0. You flip the coin 10 times' What is the probability that you get exactly 6 Heads?