20. Among random patients at a local hospital, the number of people with certain blood types is as follows: А В АВ Hispanic 11 9. Caucasian 19 4 4 From this data, is blood type independent of ethnicity?
20. Among random patients at a local hospital, the number of people with certain blood types is as follows: А В АВ Hispanic 11 9. Caucasian 19 4 4 From this data, is blood type independent of ethnicity?
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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![19. A car insurance company claims that 92% of its customers are happy with their service.
You randomly call 57 customers, and find that 45 of them are happy. Is this number
significantly lower than the claim?
20. Among random patients at a local hospital, the number of people with certain blood types
is as follows:
A
В
АВ
Hispanic
11
9
8
Caucasian
19
8
4
4
From this data, is blood type independent of ethnicity?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F25fd9e1d-4986-48aa-a553-ca0cf1a21e7d%2Fe3ecc947-c939-46e6-8abf-0d2413cc9a34%2Fmak2358_processed.jpeg&w=3840&q=75)
Transcribed Image Text:19. A car insurance company claims that 92% of its customers are happy with their service.
You randomly call 57 customers, and find that 45 of them are happy. Is this number
significantly lower than the claim?
20. Among random patients at a local hospital, the number of people with certain blood types
is as follows:
A
В
АВ
Hispanic
11
9
8
Caucasian
19
8
4
4
From this data, is blood type independent of ethnicity?
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