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    Probability of Twin Births

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    Based upon statistical studies it has been found that 3.32% of all births in the United States will result in twins being born. If 17,300 births are selected at random what is the probability that:
    a) at most 600 of them will result in twins being born?
    b) between 525 and 550 of them (inclusive) will result in twins being born?

    © BrainMass Inc. brainmass.com October 10, 2019, 6:27 am ad1c9bdddf
    https://brainmass.com/math/probability/probability-of-twin-births-544876

    Solution Summary

    The solution provides step by step method for the calculation of probability using the Z score. Formula for the calculation and Interpretations of the results are also included.

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