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NickWinston8712
27.08.2019 •
Mathematics
Two percent of mobile phones produced at a factory are defective. which of the following is a binomial experiment?
selecting phones randomly until a non-defective phone is chosen
selecting phones randomly until 200 defective phones are chosen
selecting 200 phones randomly and recording whether each phone is defective
selecting a group of phones randomly and recording the number of defective phones in the group
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Ответ:
Ответ:
Selecting 200 phones randomly and recording whether each phone is defective.
Step-by-step explanation:
The binomial experiment is defined as an experiment that contains 'n' repeated trials.
Each trial has only two outcomes. Either positive or negative. Or either yes or no. The yes is success and no is failure. The probability of success is same in each trial.
Therefore, as per the explanation, we can say that correct answer is - Selecting 200 phones randomly and recording whether each phone is defective.
Here 200 trials will take place with the probability of either a yes or no in each trial.
Ответ:
x + y ≤ 210
Step-by-step explanation:
When a number is at most, they are less than or equal, but not greater.