The number of messages sent per hour over a computer network has the following distribution. Determine the mean, and standard deviation of the distribution. No. of messages X P(X) 10 0.08 11 0.15 12 0.30 13 0.20 14 0.20 15 0.07
Added by Jose Manuel F.
Close
Step 1
Step 1: Calculate the mean (expected value) of the distribution. Show more…
Show all steps
Your feedback will help us improve your experience
Ahmad Reda and 61 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
Suman K.
The number of e-mail messages received per hour has the following distribution x | 3 | 4 | 6 F(x) | 0.36 | 0.43 | 0.21 the mean of the number of messages received per hour is
Adi S.
Messages arrive to a computer server according to a Poisson distribution with a mean rate of 10 per hour. Determine the length of an interval of time such that the probability that no messages arrive during this interval is 0.90 .
Discrete Random Variables and Probability Distributions
Poisson Distribution
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