Students at a high school will vote on a proposal to start classes later in the day. According to a survey of randomly chosen students, 62% of the students agree with the proposal and 38% of the students disagree with the proposal. The survey's margin of error is plus-or-minus 7 percent sign. Does the survey clearly project the outcome of voting?

How far could you drive on 50 gallons of gas

What is the factor form of x^2-9x+14

You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in: