Maria works as an IT technician for a local company. There are 42 computers infected with a virus on the company's network of 1000 computers. Maria chooses a computer on the company's network at random. Let the event A and the event B be as follows. A: The computer Maria chooses is infected with the virus. B: The computer Maria chooses is not infected with the virus. Find the following probabilities. Write your answers as decimal numbers and do not round. P(A) = ] P(B) = |

A bag contains 9 marbles: 2 are green, 4 are red, and 3 are blue. Ryan chooses a marble at random, and without putting it back, chooses another one at random. What is the probability that both marbles he chooses are blue? Write your answer as a fraction in simplest form.

A golf ball is selected at random from a golf bag. If the golf bag contains 8 yellow ​balls, 13 red ​balls, and 3 green ​balls, find the probability of the following event.   The golf ball is yellow or red.

Kim buys a bag of cookies, 7 chocolate chip, 6 peanut, 4 sugar and 5 oatmeal. What is the probability that kim randomly selects a sugar cookie from a bag, eats it and then randomly selected an oatmeal cookie?

Pablo randomly picks five marbles from a bag of eleven marbles (six red ones, three green ones, and two yellow ones).   How many outcomes are there in the event that all of the marbles he picks are red?

A golf ball is selected at random from a golf bag. If the golf bag contains 12 brown balls, 9 yellow balls, and 3 orange balls, find the probability of the following event. The golf ball is brown or yellow.

Draw a card from an ordinary deck of 52 cards. Find the probability of getting (I) a red or a jack. (II) not a jack.