# Probability

A balanced coin is tossed 8 times. What is the probability of getting exactly 2 heads given that there were at least 2 heads in the 8 tosses?

1. 👍 0
2. 👎 0
3. 👁 80
1. Nine coins are tossed; in how many ways can you have at least two tails?

1. 👍 0
2. 👎 0
2. four coinsare tossed hat is the probability that atleast 2 tails turn up

1. 👍 0
2. 👎 0
posted by lamiya

## Similar Questions

1. ### Math

Luis has a coin that is weighted so that the probability that Heads appears when it is tossed is 0.55. Suppose that the coin is tossed 3 times. What is the probability that all 3 tosses are Heads? please help ,e to solve this

asked by sajid on February 17, 2012
2. ### Probability

A balanced coin is tossed 8 times. What is the probability of getting exactly 2 heads given that there were at least 2 heads in the 8 tosses?

asked by Leesa on January 17, 2010
3. ### 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? I just need to know the outcomes. I don't know how to get them. Please and Thank

asked by Angela on May 30, 2007
4. ### math

A balanced coin is tossed 12 times and heads appears each time. What is the probability that tails will appear on the next toss?

asked by n/a on January 18, 2014
5. ### math

A balanced coin is tossed 12 times and heads appears each time. What is the probability that tails will appear on the next toss?

asked by Gretchen on January 22, 2015
6. ### common fraction

Sara tossed a fair coin five times, and Kaleb tossed a fair coin three times. There were five heads and three tails in the eight tosses. What is the probability that either Sara or Kaleb tossed exactly three heads? Express your

asked by Anonymous on June 27, 2012
7. ### CALC

A biased coin whose chance of heads is 0.4 is tossed five times in a row. What is the probability that heads is tossed exactly 2 times? 20.2% 23.04% 36.8% 40.1% 45.6%

asked by Leandra on November 27, 2012
8. ### Statistics

A coin is tossed 8 times. The probability of getting a head on any one toss is 0.5. To the nearest thousandth, find the probability of getting 4 heads. P(4 heads)=we want 4 of 8 heads 8 nCr 4 (1/2)^4(1-1/2)^8-4 70(1/16)*(1/2)^4 I

asked by Keonn'a on October 14, 2018
9. ### math

Coin A is tossed three times and coin B is tossed two times. What is the probability that more heads are tossed using coin A than coin B? THE ANSWER IS NOT 7/16

asked by Eggo on July 5, 2018
10. ### statistics

An unfair coin has a probability of coming up heads of 0.55 the coin is tossed 4 times. What is the probability that it lands heads at least once?

asked by gio on October 17, 2016

More Similar Questions