A theater coach can send only 3 of 20 applicants to a workshop. To be fair, he assigns each student a number from 1 to 20. He uses the numbers below to select students. Which students were selected? Would you expect the same results if you used the same method? Explain. randInt(1,20) 20 randInt(1,20) 5 randInt(1,20) 16​

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.

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?