Harley has 6 blue socks, 10 black socks, and 2 orange socks in a laundry basket. Harley randomly selects two socks from the basket. What is the probability that he will select a blue sock, put it on, then select another blue sock?

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.

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Which statement about the annual percentage rate (apr) is not true?