Assume that Y is normally distributed N(μ, σ²). Moving from the mean (μ)1.96 standard deviations to the left and 1.96 standard deviations to the right, then the area under the normal p.d.f. is A)0.67 B)0.05 C)0.95 D)0.33

Question

Quizplus · Accepted Answer

According to the empirical rule, 95% of a normal distribution falls within 1.96 standard deviations of the mean. Therefore, the area under the normal p.d.f. is 0.95. This corresponds to choice (C).

Assume That Y Is Normally Distributed N(μ, σ2)

Assume That Y Is Normally Distributed N(μ, σ²)