Question

A coin is flipped 8 times. Find the probability of the event:





exactly 5 heads

Answer 1

@texaschic101 help plz♥

Answer 2

The Binomial distribution has the probability
function P(x=r)= nCr p^r (1-p)^(n-r)
r=0,1,2,.....,n
where nCr = n! / r! (n-r)!

Answer 3

im confused

Answer 4

It's a formula- you gotta plug in the numbers you have
n=8 (number of tosses)
p=1/2 (probability of heads in a single toss