Which inequality is a true statement?
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Using the binomial distribution, there is a 0.9983 = 99.83% probability that at most eleven of the thirteen babies are girls.
<h3>What is the binomial distribution formula?</h3>The formula is:
The parameters are:
- x is the number of successes.
- n is the number of trials.
- p is the probability of a success on a single trial.
For this problem, the values of the parameters are:
p = 0.5, n = 13
The probability that at most eleven of the thirteen babies are girls is:
In which
P(X > 11) = P(X = 12) + P(X = 13)
Then:
So:
P(X > 11) = P(X = 12) + P(X = 13) = 0.0016 + 0.0001 = 0.0017
0.9983 = 99.83% probability that at most eleven of the thirteen babies are girls.
More can be learned about the binomial distribution at brainly.com/question/24863377
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