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.

List three questions that will you determine what you do well

Which of the following words identify a question as absolute

Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.