Probability-Discrete and Continuous Random Variables [ISS (Statistical Services) Statistics Paper I]: Questions 1 - 4 of 5
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Question 1
Question MCQ▾
Which of the following cannot be the example of exponential random variable?
Choices
Choice (4) | Response | |
---|---|---|
a. | The distance we travel along a road until we find the next pothole. | |
b. | Number of pizza a person eats in a month. | |
c. | The time until the next jobs arrives at a database server. | |
d. | All of the above |
Question 2
Question MCQ▾
A randomly chosen child repeatedly hits a bell. X is the length of time it takes to break it open. Is the random variable X discrete or continuous?
Choices
Choice (4) | Response | |
---|---|---|
a. | Discrete | |
b. | Sometime discrete sometime continuous | |
c. | can՚t say anything. | |
d. | Continuous |
Question 3
Question MCQ▾
Z is the distance traveled by a randomly chosen business consultant last year. Is the random variable Z discrete or continuous?
Choices
Choice (4) | Response | |
---|---|---|
a. | Continuous | |
b. | Sometime discrete sometime continuous | |
c. | can՚t say anything | |
d. | Discrete |
Question 4
Question MCQ▾
Z is the number of reading sessions a randomly chosen public library offers in their literacy program for kids. Is the random variable Z discrete or continuous?
Choices
Choice (4) | Response | |
---|---|---|
a. | can՚t say anything | |
b. | Discrete | |
c. | Sometime discrete sometime continuous | |
d. | Continuous |