A gumball machine has 3 yellow gumballs, 5 blue gumballs and 11 green gumballs. Write an equation that will have the gumballs equal the total number, n, of gumballs in the machine.

What is the most accurate measurement of 1 pound

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

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.