Question: From a population that is normally distributed with an unknown standard deviation, a sample of 25 elements is selected. For the interval estimation of m

From a population that is normally distributed with an unknown standard deviation, a sample of 25 elements is selected. For the interval estimation ofm, the proper distribution to use is the

a. tdistribution with 24 degrees of freedom

b. zdistribution

c. standard normal distribution

d. tdistribution with 26 degrees of freedom

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