Question

a 90% confidence interva is constructed for the population mean. If a 95% confidence interval had been constructed instead (everything else remaining the same), the width of the interval would have been__and the p

Answer 1

Answer: increased

Step-by-step explanation:

• An x% confidence interval indicates that a person can be x% confident that true population parameter lies in it.

More level of confidence more width of the interval.

As level of Confidence interval increases width of interval increases.

Width of interval $\propto$  level of Confidence interval

So, If a 95% confidence interval had been constructed instead of 90% the width of the interval would have been increased.