Question: need help in this If the population standard deviation is known and one wants to calculate a confidence interval for the mean: Select one: O

need help in this

If the population standard deviation is known and one wants to calculate a confidence interval for the mean: Select one: O a. None of the other answers are correct O b. it is impossible to develop a confidence interval O c. a sample proportion can be used O d. the t-distribution can be used

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