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QUESTION 2 Which of the following is an example of statistical inference? A survey was mailed to a random sample of 429 independent voters and
QUESTION 2 Which of the following is an example of statistical inference? A survey was mailed to a random sample of 429 independent voters and they were asked several quesitons including their age, gender and which candidate they voted for in the last election. Based on the collected data, the researchers conclude that 67% of the independent voters surveyed supported the Republican canditate in the last election. A survey was mailed to a random sample of 429 independent voters and they were asked several quesitons including their age, gender and which candidate they voted for in the last election. Based on the collected data, the researchers conclude that in the general population, a greater percentage of independent voters supported the Republican canditate in the last election.QUESTION 4 17 po A large insurance company wanted ot estimate #, the mean claim size (in $) on an auto insurance policy. A random sample of 225 claims was chosen and it was found that the average claim size was $2875. From past experience the population standard deviation is assumed to be $1350 If the insurance company wanted to estimate , with a 95% confidence interval with a margin of error of 180, how large a sample of claims would they have needed? O 3.08 O 56 O 225 O 2700
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