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Ksju
1 month ago
12

A survey of 132 students is selected randomly on a large university campus. They are asked if they use a laptop in class to take

notes. The result of the survey is that 66 of the 132 students responded "yes.". An approximate 98% confidence interval is (0.399, 0.601). How would the confidence interval change if the confidence level had been 90% instead of 98%
Mathematics
1 answer:
Leona [12.6K]1 month ago
7 0
For a 90% confidence interval, the range is (0.428, 0.572). For a 98% confidence interval, the range is (0.399, 0.601). The confidence interval, along with the margin of error, narrows at a 90% confidence level when compared to a 98% confidence level.
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