chjfjyjh7026
20.09.2020 •
Mathematics
maria got 1/4 of her homework done before her piano lesson and 2/3 of it done after. what fraction of her homework did she finish?
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Ответ:
1. trial must be Bernoulli, i.e. exactly two outcomes (defective or not defective)
2. number of trails is known and not dependent on outcomes (2).
3. probability of each trial must be known and is constant throughout trials (3/10, with replacement)
4. all trials are random and independent of each other.