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QUESTION 3 1.Select the true statement. A confidence interval must contain the population parameter. The bigger the sample size,the wider the confidence interval is. A

QUESTION 3

1.Select the true statement.

A confidence interval must contain the population parameter.

The bigger the sample size,the wider the confidence interval is.

A confidence interval may contain the population parameter,but it can happen that the population parameter is not in the interval.

The wider the confidence interval,the more precise the estimation is.

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