One factor in reducing COVID-19 restrictions is the proportion of people vaccinated in an area. If higher than 50% of the people in an area is vaccinated, COVID-19 restrictions can be reduced by the LGU. Lito wants to determine if COVID-19 restrictions may be reduced at the start of the month. He only has limited resources so he only randomly sampled 500 individuals in the community. He found out that 134 of the randomly selected individuals are vaccinated. He is going to test it at 5% level of significance.

[1 point] Is this one-tailed or two-tailed?

[2 points] Write the null hypothesis in symbols and words.

[2 points] Write the alternative hypothesis in symbols and words.