When the level of confidence and sample size remain the same,a confidence interval for a population proportion p will be narrower when
is larger than when
is smaller.
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Q4: If σ is unknown and there is
Q5: When the level of confidence and sample
Q7: When the population is normally distributed
Q9: When determining the sample size, n, if
Q11: Assuming the same level of significance α,
Q11: When solving for the sample size
Q13: When the margin of error is added
Q14: When constructing a confidence interval for a
Q16: When the level of confidence and the
Q19: First, a 90 percent confidence interval is
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