Suppose you are preparing to submit the results of your experiment to a scientific journal. Your colleague reports that after running the numbers, he reports that a 95% confidence interval for the true difference in the average recovery time to be (-1.1,2.8). Explain how you know that your colleague made an error in computing his confidence interval.

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()

Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer