1. In the Swedish general election of 2018, the Liberals got 5.5% of the votes. In an opinion poll with 1000 respondents conducted in July 2020, 4% of the respondents said that they would vote for the...

1.In the Swedish general election of 2018, the Liberals got 5.5% of the votes. In an opinion poll with 1000 respondents conducted in July 2020, 4% of the respondents said that they would vote for the Liberals if there was a general election held today.

a)Is it fair to say that voter support for the Liberals has changed between the general election of 2018 and July 2020. Employ the 95% level of confidence. Remember to motivate your answer.(5p)

b)Do your conclusions change if you instead employ the 99% level of confidence? Briefly explain the difference between employing the 95% and the 99% confidence levels when carrying out significance tests.(5p)

no reference needed