A manufactory company produces flash drivers and their products include: 1GB (10%), 2GB (10%), 4GB (20%), 8GB (30%), 16GB (20%) and 32GB (10%); in addition, there are four different colors for all the flash drivers: green, black, yellow, red and they are produced equally in amount for each color. If you randomly select a flash driver for inspection:
a) What is the probability of getting an 8GB flash driver with red color?
b) What is the probability of getting a 32GB flash driver with green or yellow color?
c) What is the probability of getting a flash driver which has the capacity more than or equal to 8GB with yellow color?
d) What is the probability of getting a flash driver which has the capacity less than or equal to 4GB with black or green color?