Find the missing dimension.

height: 12 1/4 in.
area: 128 5/8 in

Its base

Step-by-step explanation:

because um you just need to say height x width x base

then you know

The probability of the worker does not write personal "to-do" lists given that he reads e-mail while talking on the phone is P=0.8.

Step-by-step explanation:

a) The worker does not write personal "to-do" lists () given that he reads e-mail while talking on the phone ():

If it is given that he reads e-mail, we pick out of the 54% of the workers. In this group of workers, 20% write to-do list, so it means that 80% doesn't write to-do lists.