A survey of 100 senior citizens was undertaken and it was found that 9 of them had the flu vaccine this year. Do these data suggest that the proportion of senior citizens who get the flu vaccine is significantly less than 12 % ? Test at a = 0.10. Round your answers to three decimal places, and round any interim calculations to four decimal places.

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A survey of 100 senior citizens was undertaken and it was found that 9 of them had the flu vaccine this year. Do these data suggest that the proportion of senior citizens who get the flu vaccine is significantly less than 12%? Test at α = 0.10. Round your answers to three decimal places, and round any interim calculations to four decimal places.

What is the test statistic?

*Hint*: Make sure you are rounding your answer to three decimal places.
Transcribed Image Text:A survey of 100 senior citizens was undertaken and it was found that 9 of them had the flu vaccine this year. Do these data suggest that the proportion of senior citizens who get the flu vaccine is significantly less than 12%? Test at α = 0.10. Round your answers to three decimal places, and round any interim calculations to four decimal places. What is the test statistic? *Hint*: Make sure you are rounding your answer to three decimal places.
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