In the following probability distribution, the random variable x represents the number of activities a parent of a 6th- to 8th-grade student is involved in. Complete parts (a) through (1) below. 1 | 0.261 2 | 3 1 4 P(x) 0.314 0.204 0.083 0.138 (a) Verify that this is a discrete probability distribution. This is a discrete probability distribution because the sum of the probabilities is 1 and each probability is between 0 and 1, inclusive. (b) Graph the discrete probability distribution. Choose the correct graph below. O A. O B. C. OD. 0.5- 04 0.5- 0.5 0.5- 0.4 0.4- 0.4- 0.3- 0.2- 0.1- 0.3- 02 0.1- 0.3- 0.3 0.2- 0.2- 0.1- 0.1- O12 34 0- ói 2 3 0- 3 4 01 23 (c) Compute and interpret the mean of the random variable x. The mean is activities. (Type an integer or a decimal. Do not round.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Topic Video
Question
question c
In the following probability distribution, the random variable x represents the number of activities a parent of a 6th- to 8th-grade student is involved in. Complete parts (a) through (f below.
Question H
3
4
P(x)
0.314
0.261
0.204
0.138
0.083
(a) Verify that this is a discrete probability distribution.
This is a discrete probability distribution because the sum of the probabilities is 1 and each probability is between 0 and 1, inclusive.
(b) Graph the discrete probability distribution. Choose the correct graph below.
O A.
O B.
c.
С.
OD.
0.5-
0.5-
0.5-
04
0.5-
0.4-
0.4-
0.3-
0.4-
0.3-
0.3-
0.2-
0.3-
0.2-
0.14
0.2-
0.1-
0.2
-
0.1-
0.1-
0-
01 2 3
0-
01 2
0-
4
3 4
1 2 3
(c) Compute and interpret the mean of the random variable x.
The mean is activities.
(Type an integer or a decimal. Do not round.)
Enter your answer in the answer box and then click Check Answer.
Check Answer
Clear All
4
parts
4 remaining
MacBook Air
DD
000
F11
$12
80
10
FB
F5
F6
esc
F3
F4
F1
F2
&
@
#
dele
7
8
1
2
3
4
{
T
Y
Q
W
tab
11
J
K L
S
D
F
.. .-
* CO
A.
Transcribed Image Text:In the following probability distribution, the random variable x represents the number of activities a parent of a 6th- to 8th-grade student is involved in. Complete parts (a) through (f below. Question H 3 4 P(x) 0.314 0.261 0.204 0.138 0.083 (a) Verify that this is a discrete probability distribution. This is a discrete probability distribution because the sum of the probabilities is 1 and each probability is between 0 and 1, inclusive. (b) Graph the discrete probability distribution. Choose the correct graph below. O A. O B. c. С. OD. 0.5- 0.5- 0.5- 04 0.5- 0.4- 0.4- 0.3- 0.4- 0.3- 0.3- 0.2- 0.3- 0.2- 0.14 0.2- 0.1- 0.2 - 0.1- 0.1- 0- 01 2 3 0- 01 2 0- 4 3 4 1 2 3 (c) Compute and interpret the mean of the random variable x. The mean is activities. (Type an integer or a decimal. Do not round.) Enter your answer in the answer box and then click Check Answer. Check Answer Clear All 4 parts 4 remaining MacBook Air DD 000 F11 $12 80 10 FB F5 F6 esc F3 F4 F1 F2 & @ # dele 7 8 1 2 3 4 { T Y Q W tab 11 J K L S D F .. .- * CO A.
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Research Design Formulation
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman