tribution of the number of people per household is as shown in the table to the right. Calculate the expected number of people in families per household in the country. Compute the standard deviation of the number of people in families per household. The expected number of people in families per household is pe an integer or a decimal.) The standard deviation of the number of people in families per household is. pe an integer or decimal rounded to four decimal places as needed.) 2 3 4 5 6 7 0.26 0.23 0.29 0.14 0.04 0.04
tribution of the number of people per household is as shown in the table to the right. Calculate the expected number of people in families per household in the country. Compute the standard deviation of the number of people in families per household. The expected number of people in families per household is pe an integer or a decimal.) The standard deviation of the number of people in families per household is. pe an integer or decimal rounded to four decimal places as needed.) 2 3 4 5 6 7 0.26 0.23 0.29 0.14 0.04 0.04
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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![An agency collects demographics concerning the number of people in families per household in a certain country. Assume the
distribution of the number of people per household is as shown in the table to the right.
a. Calculate the expected number of people in families per household in the country.
b. Compute the standard deviation of the number of people in families per household.
a. The expected number of people in families per household is
(Type an integer or a decimal.)
b. The standard deviation of the number of people in families per household is
(Type an integer or decimal rounded to four decimal places as needed.)
X
W N
2
3
4
5
6
7
P(x)
0.26
0.23
0.29
0.14
0.04
0.04
n](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2492b534-ee58-48af-83cd-282b96845622%2Fa6319d35-5f66-4a2c-98d9-fc4eb5264eea%2Fhfchb1j_processed.png&w=3840&q=75)
Transcribed Image Text:An agency collects demographics concerning the number of people in families per household in a certain country. Assume the
distribution of the number of people per household is as shown in the table to the right.
a. Calculate the expected number of people in families per household in the country.
b. Compute the standard deviation of the number of people in families per household.
a. The expected number of people in families per household is
(Type an integer or a decimal.)
b. The standard deviation of the number of people in families per household is
(Type an integer or decimal rounded to four decimal places as needed.)
X
W N
2
3
4
5
6
7
P(x)
0.26
0.23
0.29
0.14
0.04
0.04
n
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