Answers with methods

Question 3 A newspaper conducted a statewide survey concerning a proposal to raise taxes in order to prevent budget Partially correct cuts to education. The newspaper took a random sample (assume it is an SRS) of 1100 registered voters Mark 1.0 out of and found that 418 would vote to raise taxes. Let p represent the proportion of registered voters in the state 2.00 that would vote to raise taxes. (Round your answers to 4 decimal places, if needed.) Flag question (a) The standard error for the sample proportion is 0.0146 (b) The margin of error for an 86% confidence interval for p is 0.0216Question 6 Suppose 2% of students drink more than 3 cups of coffee each day. To check this claim, a researcher Partially correct randomly selected a sample of 141 students and found that 4 drink more than 3 cups of coffee each day. Mark 2.00 out of What is the sampling distribution of the sample proportion? (Round your answers to four decimal places, if 3.00 needed.) Flag question The distribution of the sample proportion of students drinking more than 3 cups of coffee each day may not be normal with a mean of 0.0284 and a standard deviation of 0.0118 Your last answer was interpreted as follows: 0.0284 Your last answer was interpreted as follows: 0.0118 Your answer is partially correct. Correct distribution. Incorrect mean. Correct standard deviation.Question 7 Andy is a restaurant owner. He believes 77% of his customers are satisfied with the food quality of his Incorrect restaurant. From a random sample of 72 customers, what are the following probabilities? (Round your answers to four decimal places, if needed.) Mark 0.00 out of 3.00 Flag (a) What is the probability that less than 56 customers are satisfied with the food quality? question 0.562 (b) What is the probability that at least 56 customers are satisfied with the food quality? 0.8428 (c) What is the probability that the sample proportion of customers who are satisfied with the food quality is between 74% and 81%? 0.518