SOLUTION: a coin is biased each flip you have 55% chance of getting a head . if you flip this biased coin 8. times . what is the probability you will get the same number of heads and tails

Algebra.Com
Question 996839: a coin is biased each flip you have 55% chance of getting a head . if you flip this biased coin 8. times . what is the probability you will get the same number of heads and tails
Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
That is the probability of 4 heads in 8 tries
It is 8C4(0.55)^4(0.45)^4=0.2627
The 8C4 is the number of ways 4 heads can occur.

RELATED QUESTIONS

If you flip a coin 8 times what is the probability of landing on head 6... (answered by reviewermath)
You flip a coin three times. What is the probability of getting three... (answered by Alan3354)
5. You have two biased coins. Coin A comes up heads with probabaility ¼. Coin B comes up... (answered by richard1234)
a biased coin has 1 in 10 chance of landing heads. If tossed 400 times, what is the... (answered by stanbon,Theo)
If you flip a coin 10 times, what is the probability of getting at least 4... (answered by stanbon)
If you flip a coin 6 times, what is the probability of getting HH TT HT in that... (answered by stanbon)
A coin is flipped 60 times. it landed on head 36 times. Do you think that the coin is... (answered by reviewermath)
You flip a coin three times. What is the probability of it landing on heads on the third... (answered by Fombitz)
Flip a coin 10 times , what is the probability of not getting a head? What is the... (answered by ikleyn)