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(3 points) In a random sample of 300 Canadians aged over 50, 64% of them have started paying bills online in the last year. Note:
(3 points) In a random sample of 300 Canadians aged over 50, 64% of them have started paying bills online in the last year. Note: The data may be different from the previous question. Fill in the blank Note: Express the proportions in the percentage form and round it to 4 decimal places We estimate that between % and % of ? have started paying bills online in the last year using a method that gives correct results 98% of times. (3 points) A random sample of 100 students is selected in a local college. In the sample, 52% of the sampled students study full-time. Suppose we want to test whether more than 48% of all students study full-time in this college. Note: The data may be different from the previous question. Part A At the 0.05 level of significance, what can we conclude? Since the p-value is ? the significance level, we ? + . At the he 0.05 level of significance, there is ? to conclude that ? of all students study full-time at this college. (3 points) A random sample of 600 students is selected in a local college. In the sample, 53% of the sampled students study full-time. Suppose we want to estimate the proportion of all students study full-time in this college. Note: The data may be different from the previous question. Part A Fill in the blank: We estimate that between % and % of all students study full-time at this college using a method that gives the correct results 92% of times. (Express the number in percentage form and round the numbers to 2 decimal places)
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