PRC-2 · Chapter 11 · Question 51 of 60
A 'Standard Normal Distribution' (Z-distribution) is uniquely defined as having which specific mean and standard deviation?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) Mean = 0, SD = 1
Explanation
The Z-distribution is a special case of the normal distribution where the data has been transformed (standardized) so that the mean is exactly 0 and the standard deviation is exactly 1.
More Probability Concepts MCQs
- Q53What is the statistical formula used to convert a raw data point (X) into a standardized Z-score?
- Q54In a Poisson Distribution, what specific condition must be true regarding the mean (μ) and the variance (σ²)?
- Q55What is the total area under the entire curve of any continuous probability density function (like the Normal Distribution)?
- Q56If an event has a probability of exactly 1.0, it is formally classified as a/an:
- Q57Which of the following is an example of an 'Objective' (Classical) probability assessment?