13) A 1970 study showed that of American married-couple families, 43% had no children, 18% had one child, 18% had two children and 21% had three or more children. A recent survey of 500 American married-couple families revealed that 267 had no children, 87 had one child, 96 had two children and 50 had three or more children. At the 0.01 level of significance, test the claim that the 1970 proportions are no longer valid. MacBook Air FIL F10
13) A 1970 study showed that of American married-couple families, 43% had no children, 18% had one child, 18% had two children and 21% had three or more children. A recent survey of 500 American married-couple families revealed that 267 had no children, 87 had one child, 96 had two children and 50 had three or more children. At the 0.01 level of significance, test the claim that the 1970 proportions are no longer valid. MacBook Air FIL F10
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Please answer number 13.
![13) A 1970 study showed that of American married-couple families, 43% had no children, 18%
had one child, 18% had two children and 21% had three or more children. A recent survey of
500 American married-couple families revealed that 267 had no children, 87 had one child, 96
had two children and 50 had three or more children. At the 0.01 level of significance, test the
claim that the 1970 proportions are no longer valid.
MacBook Air
FIL
F10](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6106a7c5-7d15-4a4e-99fb-86aeb3aecc67%2F7514b047-266f-4930-b9a7-3f6cc16a5884%2F8trvbi9.jpeg&w=3840&q=75)
Transcribed Image Text:13) A 1970 study showed that of American married-couple families, 43% had no children, 18%
had one child, 18% had two children and 21% had three or more children. A recent survey of
500 American married-couple families revealed that 267 had no children, 87 had one child, 96
had two children and 50 had three or more children. At the 0.01 level of significance, test the
claim that the 1970 proportions are no longer valid.
MacBook Air
FIL
F10
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