EduFarming
Your list · 0हिं

Type at least two letters. Press Esc to close.

↑↓ navigate↵ openTAB cycle filter

Random Variables, Expectation & Variance · Question 3 of 68

Question 3

EasyOriginal question

Read the two statements and choose the correct option.

I. A random variable assigns a real number to each outcome of a random experiment.

II. The number of telephone calls a shop gets in an hour is a continuous random variable.

Options for question 3

Show the answer and explanation
CorrectNot quiteAnswer A

Correct answer: A

Explanation

  1. I is the definition of a random variable. True.

  2. II: calls are counted, 0, 1, 2, …, so the variable is discrete. False.

Concept
What a random variable is
Typical time
60 s
Your time
—
The rule this testsRandom variables
Practise this chapter →

Ten questions from Random Variables, Expectation & Variance, at your own pace.

Practise this chapter →

Ten questions from Random Variables, Expectation & Variance, at your own pace.