Find the area of the shaded region under the standard distribution to the left of the given z-score. Round your answer to three decimal places. Normal Distribution A normal distribution is known by many names, a bell curve, a gaussi...
The student's t distribution is described by the degree of freedom, As the degree of freedom increases, the t-distribution becomes more similar to the Gaussian distribution. The t-distribution used in the confidence interval in such conditions: The sample size is small (n > 30). ...