Tag: random variable and mathematical expectation

Quizzes (3) Questions (42)

Questions Related to random variable and mathematical expectation

Multiple choice business mathematics and statistics random variable and mathematical expectation discrete and continuous data random variable random variable and its types

State, which of the following variables are continuous and which are discrete :

Marks scored in a text is discrete
If true then enter $1$ and if false then enter $0$

  1. $1$
  2. $0$

  3. Can't determine

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Marks scored in a test can have have only integer value. Hence, it is a discrete variable.

Multiple choice business mathematics and statistics random variable and mathematical expectation discrete and continuous data random variable random variable and its types

Daily temperature is continuous variable.

If true then enter $1$ and if false then enter $0$

  1. $1$
  2. $0$

  3. Can't determine

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A continuous variable can take any value within a given range, including decimals. Temperature can be measured to arbitrary precision, making it a continuous variable.