Assume that a random variable is normally distributed. What is the approximate probability that a random draw from that distribution will lie between the mean and one standard deviation to the right of the mean? Question options: .475 .68 .34 practically 1.0 .95
Added by Denise W.
Step 1
34. Show more…
Show all steps
Close
Your feedback will help us improve your experience
Thuc Nguyen and 55 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
what percent of values in a normally distributed variable lie between the mean and two standard deviations above the mean? a) 68% b)95% c)34% d)47.5%
Robin C.
For any normal distribution, find the probability that the random variable lies within two standard deviations of the mean.
Ajiboye T.
Assume the random variable $X$ is normally distributed with mean $\mu=50$ and standard deviation $\sigma=7 .$ Compute the following probabilities. Be sure to draw a normal curve with the area corresponding to the probability shaded. $$P(40<X<65)$$
The Normal Probability Distribution
Applications of the Normal Distribution
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD