Mathematics, 27.11.2019 05:31, Maddy8368

Asample of a given size is used to construct a 95% confidence interval for the population mean with a known population standard deviation. if a bigger sample had been used instead, then the 95% confidence interval would have been and the probability of making an error would have been

a. wider; smaller

b. narrower; smaller

c. wider; unchanged

d. narrower; unchanged

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Asample of a given size is used to construct a 95% confidence interval for the population mean with...