Mathematics, 20.12.2019 23:31, aduncan3426

In a given year, the rate of flu infection for the general public was 8.3%. in sample of 200 people who received the flu vaccine, the rate of flu infection was just 3.5%. what conclusion should you draw?

a. do not reject the null hypothesis; flu rates for vaccinated people are not lower
b. reject the null hypothesis; flu rates for vaccinated people are lower
c. do not reject the null hypothesis; flu rates for vaccinated people are lower
d. reject the null hypothesis; flu rates for vaccinated people are not lower

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