In a gallup poll of 557 randomly selected adults, 284 said that they were underpaid. construct a 95% confidence interval estimate for the proportion of adults who say they are underpaid.

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Which expression is equivalent to sq-80

Consider the graph of the exponential function y=3(2)×