Mathematics, 22.07.2019 18:40, Jack903

Lorraine computed a confidence interval for μ based on a sample of size 41. since she did not know σ, she used s in her calculations. lorraine used the normal distribution for the confidence interval instead of a student's t distribution. will her interval be longer or shorter than one obtained by using an appropriate student's t distribution? explain.

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Lorraine computed a confidence interval for μ based on a sample of size 41. since she did not know σ...