While flu vaccination does not prevent COVID-19, flu vaccination is critical to protecting Australians’ general health f

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While flu vaccination does not prevent COVID-19, flu vaccination
is critical to protecting Australians’ general health from
influenza. A researcher surveyed a random sample of 53 people who
had been given the flu vaccine last year and found that 19 did not
contract the flu.
(1 mark) What is the proportion of people who did not contract
the flu? (round to 3dp) Answer
(1 mark) What is the lower bound of a 95%95% confidence interval
for the proportion of people who did not contract the flu? (round
to 3dp) Answer
(1 mark) What is the upper bound of a 95%95% confidence interval
for the proportion of people who did not contract the flu? (round
to 3dp) Answer