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tousif2663
19.07.2019 •
Mathematics
Asurvey was conducted on 800 students regarding the number of automobiles in their household. a sample mean of 2.7 automobiles was determined, with a standard deviation of 0.7 automobiles. assuming a 95% confidence level, which of the following statements holds true?
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Ответ:
The correct answer is: As the sample size is appropriately large, the margin of error is ±0.049.
Ответ:
C.
There is a 95% certainty that the sample mean will fall within the interval 2.65 to 2.75.
Step-by-step explanation:
Ответ:
?
Step-by-step explanation:
sorry