Hello, there are 5 questions. Please I want correct answers 100%. Please be careful when you round. Thank you so much!!

100% Normal text Arial 12 + BIUAS In a survey of 1862 U.S. adults, 67% said that they would like to eat more fruits and vegetables. What is the margin of error for the survey? Round to the nearest tenth of a percent. The margin of error is about + % Scores on a college economics final exam are normally distributed with a mean of 530 and a standard deviation of 130. If a recent test- taker is selected at random, what is the probability the student scored between 595 and 699 on the exam? about % The times a fire department takes to arrive at the scene of an emergency are normally distributed with a mean of 6 minutes and a standard deviation of 1 minute. For about what percent of emergencies does the fire department arrive at the scene in 7 minutes or less? about % The scores on a college history exam are normally distributed with a mean of 80 and a standard deviation of 4. The test scores range from 0 to 100. A score of at least 88 points is necessary to receive a grade of A. About what percent of students taking the test receive a grade of A or better on the exam? about % A researcher wants to know whether a new medicine is effective at reducing the severity of flu symptoms. This research topic is best investigated through an experiment observational study O O m S 78F Sunny