Question

N a survey of 1227 ​people, 828 people said they voted in a recent presidential election. Voting records show that 65​% of eligible voters actually did vote. Given that 65​% of eligible voters actually did​ vote. A) Find the probability that among 1227 randomly selected​voters, at least 828 actually did vote.

Answer 1

Answer:

Step-by-step explanation:

Given proportion of eligible voters did vote = p = 0.65.

In a survey of 1227 people 828 people said they voted. Proportion of people voted in sample of 1227 = 828/1227 =0.6748

Let p be a distribution which represents the proportion of people voted. In given sample with size 1048, it is large enough that np and n(1-p) are greater than 10. So, we can assume that it fo...