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theldunn
27.07.2019 •
Mathematics
In a random sample of 160 high school students, 64% of the students participated in summer camp activities. the estimate had a margin of error of 2.5% at a 95% confidence level. which of the following is a potential percentage of high school students who participated in summer camp activities. a. 60% b. 68% c. 62% d. 67%
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Ответ:
option: C is the answer( 62%)
Step-by-step explanation:
" Margin of Error Percentage. A margin of error tells you how many percentage points your results will differ from the real population value.
For example: a 95% confidence interval with a 4 percent margin of error means that your statistic will be within 4 percentage points of the real population value 95% of the time "
Here we are given a margin of error of 2.5% at a 95% confidence level.
Hence, this means that it is at a 2.5% difference from given 64% data.
i.e. the range lies between (64-2.5)% to (64+2.5)%
i.e. 61.5% to 66.5%.
The value that lies between this set of data is 62%.
Hence, option: C is the answer.
(62%)
Ответ: