Suppose a 95% confidence interval for µ has been constructed. If it is decided to take a larger sample and to decrease the confidence level of the interval, then the resulting interval width would. (Assume that the sample statistics gathered would not change very much for the new sample.)
be larger than the current interval width
be narrower than the current interval width
be the same as the current interval width
be unknown until actual sample sizes and reliability levels were determined
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Verified answer
Larger sample and same confidence level of the interval ==> Narrower
Same sample and to decrease the confidence level ==> Narrower
Larger sample and to decrease the confidence level ==> Narrower
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