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Question 16 3 pts A survey asked randomly selected individuals if they had volunteered in the past month. They asked 58 men and 68 women if they had volunteered in the last month. Out of 58 men, 14 said that they had volunteered in the past month and out of 68 women, 17 said that they felt that they had volunteered in the past month. Suppose that you want to make a 95% confidence interval for Pm - Pw , what assumption is violated in this case? There weren't 30 successes and 30 failures for both men and women. The assumptions are met for this problem. There weren't 15 successes and 15 failures for both men and women. The sample sizes are not greater than 30. Question 17 3 pts Two hundred people were randomly selected in the year 2010 (group 1) and in the year 2012 group 2). They were asked how many hours a day they spent on a digital device (online, mobile, or other). The sample mean in 2010 was 3.14 hours and in 2012 it was 4.31 hours. What is the point estimate of the population mean difference between 2010 and 2012? O Unknown O -1.17 O 3.73 O 0.729