- C It Is Believed That 55 Of Individuals Will Vote For A Particular Candidate In An Upcoming Election A Sample Of 250 1 (36.31 KiB) Viewed 28 times
c) It is believed that 55% of individuals will vote for a particular candidate in an upcoming election. A sample of 250
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c) It is believed that 55% of individuals will vote for a particular candidate in an upcoming election. A sample of 250
c) It is believed that 55% of individuals will vote for a particular candidate in an upcoming election. A sample of 250 individuals were contacted and it was found that 122 plan to vote for the candidate in question. i) What type of data was collected on each individual? (2 marks) ii) What is the parameter here? (provide symbol and value) (2 marks) iii) What is the statistic here? (provide symbol and value) (2 marks) iv) Calculate a 99% confidence interval for the parameter; does this support the researcher's belief? (4 marks) v) What sample size is required to reduce the margin of error in the previous confidence interval to £0.005? (3 marks)
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