# Discrete Math

posted by .

What is the probability that a fair coin lands Heads 4 times out of 5 flips? Out of bit strings of length ten, what is the probability that the bit string begins and ends with 0? What if the bit string has more 0s than 1s? and, what if the bit string has the sum of its digits equal to seven?

## Similar Questions

1. ### math

In a game, a player tosses a coin 4 times. If the player gets 3 or 4 heads, he/she wins. What is the theoretical probability of winning this game?
2. ### Probability

Toss a fair coin ten times. Find the probabiltiy of getting heads at least once. Can anyone help me to see how this works out?
3. ### statistics

you and 50 coworkers decide to play a game that consists of flipping a coin once for each coworker. If the flip coin for the particular coworker results in a head, you have to pay them \$1. If it results in tail, neither party has to …
4. ### Probability

The probability that it will take 5 or more flips of a fair coin before it lands on heads can be written as a/b , where a and b are coprime positive integers. Find a+b
5. ### math

The probability that it will take 5 or more flips of a fair coin before it lands on heads can be written as ab, where a and b are coprime positive integers. Find a+b.
6. ### maths

Suppose there are 10 coins laid out in front of you. All of the coins are fair (i.e. have an equal chance of heads or tails) except one, which flips to heads every time. You draw one coin at random and flip it 5 times. If each of the …
7. ### probability

urgent till 3 pm i have in colombia¡ 1 Alice has five coins in a bag: two coins are normal (i.e., fair with one face Heads and the other face Tails), two are double-headed (i.e., both sides are Heads), and the last one is double-tailed …
8. ### Math-Probability

You have a friend who claims to be psychic. You don't believe this so you test your friend by flipping a coin 20 times and having him predict whether each flip is heads or tails. If you are right, and your friend is NOT psychic, the …
9. ### statistics

S) Suppose we want to determine the (binomial) probability (p) of getting 5 heads in 15 flips of a 2-sided coin. Using the Binomial table in the appendix of the text, what values of n, x, and p would we use to look up this probability, …
10. ### pre algebra Is it A,B,C or D?

Rodney flips a fair coin and chooses a letter tile A, E, I, O AND U. He performs this experiment 50 times to determine the experimental probability that heads is tossed and the letter A is chosen. Which of the following is most likely …

More Similar Questions