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Question 1Given: A box contains a large number of red and blue marbles but the proportions are unknown. 100 marbles are drawn at random and 49 turn out to be red. The SE% turns out to be 5%. True or False: The 95% confidence interval for the percentage of red marbles in the sample is 39% to 59%FalseTrueQuestion 2Given: A box contains a large number of red and blue marbles but the proportions are unknown. 100 marbles are drawn at random and 49 turn out to be red. The SE% turns out to be 5%. True or False: The percentage of red marbles in the box can be estimated as 49%; the SE% is 5%.TrueFalseQuestion 3When the sample is only a small part of the population the number of individuals in the population has almost no influence on the accuracy of the sample percentage.TrueFalseQuestion 4In a month the Current Population Survey sample amounted to 100000 people. Of them 62000 were employed and 3000 were unemployed. True or False: The Bureau would estimate the total number unemployed in the population by using weights obtained by dividing the sample into groups by age sex race area of residence and so on.TrueFalse

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