It is known that one of the very famous supermarket chains invests in residential areas if it can be proven that the population proportion of homeowners exceeds 90%. A sample of 70 families revealed that 62 families would be buying a new house from one of the newly developed parts of the city over the next year. (use 3 digits after decimal point) а. Estimate the value of the population proportion. b. 95% confidence interval for the population proportion is [ to

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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It is known that one of the very famous supermarket chains invests in residential areas if it can be proven that the population proportion of
homeowners exceeds 90%. A sample of 70 families revealed that 62 families would be buying a new house from one of the newly developed parts of
the city over the next year. (use 3 digits after decimal point)
a.
Estimate the value of the population proportion.
b.
95% confidence interval for the population proportion is [
to
Transcribed Image Text:It is known that one of the very famous supermarket chains invests in residential areas if it can be proven that the population proportion of homeowners exceeds 90%. A sample of 70 families revealed that 62 families would be buying a new house from one of the newly developed parts of the city over the next year. (use 3 digits after decimal point) a. Estimate the value of the population proportion. b. 95% confidence interval for the population proportion is [ to
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