PRC-2 · Chapter 11 · Question 25 of 60
The total area located beneath the curve of any valid continuous probability density function (like the normal curve) is always:
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) 1.0
Explanation
Mirroring the rule for discrete distributions, the total area under a continuous distribution curve represents the total probability of all outcomes, which must sum to exactly 1.0.
More Probability Concepts MCQs
- Q27Continuous probability distributions (like the Normal distribution) differ from discrete ones because they:
- Q28If a dataset has a mean of 50 and a standard deviation of 5, what is the z-score for a data value of 40?
- Q29In a Poison Distribution, if the average number of events per hour (λ) is 4, what is the variance of the distribution?
- Q30According to the normal distribution table, what is the area to the left of a z-score of 0?
- Q31A digital vault uses a 5-digit PIN code. The code can begin with any number except 0, 1, 2, and 3. If repetition of digits is strictly…
