SAT, 27.06.2021 15:50 student679

ANSWER PART A, B, C. SHOW ALL WORKING (1.) A random sample of 2835 households in Trinidad and Tobago showed that 1588 of them consisted of at least one elderly person.

(a.)What proportion of households in Trinidad and Tobago has at least one elderly person?

(b.)Compute an estimate for the 90% confidence interval for the proportion of households in which there is at least one elderly person.

(c.)Conduct a test, at the 10% level, for the claim that 54% of all households in Trinidad and Tobago has at least one elderly person.

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ANSWER PART A, B, C. SHOW ALL WORKING (1.) A random sample of 2835 households in Trinidad and Tobag...