20-Station Assembly Line Consider an assembly line with 20 stations. Each station has a 0.5% probability of making a defect. At the end of the line, an inspection step singles…

How many elements are in the following sample space? A coin is tossed three times and the number of T's (tails) is recorded. Describe the sample space for the following…

1.The mean height of women in a country​ (ages 20−​29) is 64.4

What three quantities are needed to calculate the variance? 

Buses arrive at a specified stop at 15-minute intervals starting at 7:00 A.M. That is, they arrive at 7:00, 7:15, 7:30, 7:45,..... A passenger arrives at the stop with probability…