11. It is equal to the summation of the products of the value of the random variable and the correspo probability. а. Мean b. Median c. Standard Deviation d. Variance

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
icon
Concept explainers
Question
Choose the letter of the correct answer.
11. It is equal to the summation of the products of the value of the random variable and the correspond
probability.
a. Mean
b. Median
c. Standard Deviation
d. Variance
12. What is the value of the variance when all data in the set are equal?
а. -1
b. 0
С. 1
d. 100%
13. A measure that tells us how spread the scores are from the mean and from each other, it is the
average squared deviation.
a. Variance
b. Standard Deviation
c. Median
d. Mean
14. Find the variance of the given discrete random variable.
Y
1
3
P(Y)
1/8
3/8
3/8
1/8
а. О.75
b. 3/8
С. 1
d. 6
Transcribed Image Text:11. It is equal to the summation of the products of the value of the random variable and the correspond probability. a. Mean b. Median c. Standard Deviation d. Variance 12. What is the value of the variance when all data in the set are equal? а. -1 b. 0 С. 1 d. 100% 13. A measure that tells us how spread the scores are from the mean and from each other, it is the average squared deviation. a. Variance b. Standard Deviation c. Median d. Mean 14. Find the variance of the given discrete random variable. Y 1 3 P(Y) 1/8 3/8 3/8 1/8 а. О.75 b. 3/8 С. 1 d. 6
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Points, Lines and Planes
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON