You grab two books at random off a shelf. Let X be the number of those two books that you have previously read. Determine all possible values for the random variable X.
Mathematics · College · Tue Nov 03 2020
Answered on
Answer:
X = (0 , 1 , 2)
Step-by-step explanation:
A random Variable is a variable whose value depends on the outcomes of random phenomena. There are two types of random variables :
- Discrete Random Variable: Variable which takes only countable whole number values. Eg - No. of books (1,2,3.....)
- Continuous Variable: Variable which takes noncountable infinite values. Eg - Weight (10.1, 10.14, 10.2, 10.6 ........)
Given: I grabbed two books randomly off-shelf; X = Random Variable values of 'a number of books read'.
So, the number of books that could have already been read: could be- 0 books, or 1 book, or 2 books; out of total 2 books picked up.