3. The number of adults living in homes on a randomly selected city block is described by the following probability distribution: No. of adults, X 1 3 4 P(X = x) 0.12 0.42 0.31 0.15 What is the variance of this distribution?
3. The number of adults living in homes on a randomly selected city block is described by the following probability distribution: No. of adults, X 1 3 4 P(X = x) 0.12 0.42 0.31 0.15 What is the variance of this distribution?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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![3. The number of adults living in homes on a randomly selected city block is described
by the following probability distribution:
No. of adults, X
2
3
P(X = x)
0.12
0.42
0.31
0.15
What is the variance of this distribution?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F53a28e27-231b-46f4-afa0-d650d31ca4d3%2F9917f24c-bb27-4214-a3f8-fe3db7c4cdcc%2Frezgx84_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. The number of adults living in homes on a randomly selected city block is described
by the following probability distribution:
No. of adults, X
2
3
P(X = x)
0.12
0.42
0.31
0.15
What is the variance of this distribution?
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