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- Discrete random variables
- Practice 1: discrete distribution
This module provides students an opportunity to practice applying concepts related to discrete distributions. This practice exercise asks students to calculate several values based on the data provided.
Student learning outcomes
- The student will analyze the properties of a discrete distribution.
Given:
A ballet instructor is interested in knowing what percent of each year's class will
continue on to the next, so that she can plan what classes to offer. Over the years,she has established the following probability distribution.
- Let
= the number of years a student will study ballet with the teacher.
- Let
= the probability that a student will study ballet
years.
Organize the data
Complete the table below using the data provided.
| x |
P(x) |
x*P(x) |
| 1 |
0.10 |
|
| 2 |
0.05 |
|
| 3 |
0.10 |
|
| 4 |
|
|
| 5 |
0.30 |
|
| 6 |
0.20 |
|
| 7 |
0.10 |
|
Discussion question
Questions & Answers
Explain the following terms .
(1) Abiotic factors in an ecosystem
Abiotic factors are non living components of ecosystem.These include physical and chemical elements like temperature,light,water,soil,air quality and oxygen etc
Qasim
passive process of transport of low-molecular weight material according to its concentration gradient
AI-Robot
what is production?
Catherine
how did the oxygen help a human being
how did the nutrition help the plants
Biology is a branch of Natural science which deals/About living Organism.
evolutionary history and relationship of an organism or group of organisms
AI-Robot
cell is the smallest unit of the humanity biologically
Abraham
HOW CAN MAN ORGAN FUNCTION
the diagram of the digestive system
allimentary cannel
Ogenrwot
They formed in two ways first when one sperm and one egg are splited by mitosis or two sperm and two eggs join together
Oluwatobi
what is respiration
Deborah
Genetics is the study of heredity
Misack
how does twins formed?
Misack
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Source:
OpenStax, Collaborative statistics. OpenStax CNX. Jul 03, 2012 Download for free at http://cnx.org/content/col10522/1.40
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