statistics
posted by Rosalyn .
Consider a binomial experiment with 20 trials and probability 0.45 on a single trial. Use the binomial distribution to find the probability of exactly 10 successes. Round your answer to the thousandths place

Use the binomial probability function:
P(x) = nCx(p^x)[q^(nx)]
n = 20
x = 10
p = 0.45
q = 1  p = 0.55
Substitute into the function and go from there.
Note:
You can also use a binomial probability function table with the values listed to find the probability as well. It is an easier way of doing this problem.
I hope this will help get you started. 
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