The local independent party wants to poll registered voters to see the proportion who would consider voting for an independent candidate. how many voters they need to survey to get a 97% confidence level that the true population proportion is within a 0.03 margin of error. how many people do they need to survey to achieve the desired margin of error?

1308

Step-by-step explanation:

Given : Level of confidence = 0.97

Significance level :

Critical value :

Margin of error :

If prior proportion of population is unknown , then the formula to find the population proportion is given by :-

Hence, the minimum sample size needed =1308

y-y1=4(x-x1)

step-by-step explanation:

this is point-slope form since you only have 4 as the slope it goes in place of m

hope this : )