A _______ confidence interval is often used in scientific or medical research when making a wrong conclusion about a population parameter is very costly.
A)95%
B)99%
C)90%
D)100%

Question

Quizplus · Accepted Answer

A 99% confidence interval is often used in contexts where the cost of making a wrong conclusion is very high, as it provides a higher level of confidence (and thus, a lower risk of error) than the more commonly used 95% confidence interval.

A _______ Confidence Interval Is Often Used in Scientific or Medical