x 2 3 4 5 6 P(X = x) 0.2 0.3 0.2 0.1 0.2 Find the standard deviation. Round your answer to one decimal place.
Added by Asunci-N S.
Step 1
\[ E(X) = \sum x \cdot P(X = x) = 2(0.2) + 3(0.3) + 4(0.2) + 5(0.1) + 6(0.2) \] \[ = 0.4 + 0.9 + 0.8 + 0.5 + 1.2 = 3.8 \] Show more…
Show all steps
Close
Your feedback will help us improve your experience
Hoan Nguyen and 82 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
x 3 4 5 6 7 P(X = x) 0.2 0.3 0.1 0.2 0.2 Find the standard deviation. Round your answer to one decimal place.
Hoan N.
x 4 5 6 7 8 P(X=x) 0.2 0.3 0.1 0.2 0.2 Find the standard deviation. Round your answer to one decimal place.
Lucas F.
Consider the following data: x 2 3 4 5 6 P(X=x) 0.2 0.1 0.1 0.3 0.3 Step 3 of 5: Find the standard deviation. Round your answer to one decimal place.
Pritesh R.
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD