Let the random variable Z follow a standard normal distribution,and let z₁be a possible value of Z that is unknown but identifiable by position and area.Find z₁if the area to the right of z₁ is 0.0869. A)-1.36 B)1.71 C)1.36 D)1.80

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Quizplus · Accepted Answer

Since the area to the right of z is 0.0869, the area to the left of z is 1 – 0.0869 = 0.9131. Using a standard normal distribution table or calculator, we can find the z-score that corresponds to an area of 0.9131 to be approximately 1.36. Therefore, z₁ = 1.36.

Let the Random Variable Z Follow a Standard Normal Distribution,and