Ask a New Question

Question

A bag contains 7 blue marbles, 5 red marbles, and 9 green marbles. A marble is taken at random from the bag. What is the probability that the marble is blue or red? Please type in your answer as a fraction.
15 years ago

Answers

PsyDAG
Either-or relationships require adding the probabilities of the individual events.

7/21 + 5/21 = ?
15 years ago
shuria
12/21
13 years ago
arpan
how many kinds of lunches are being served
11 years ago
Anonymous
7983
9 years ago

Related Questions

There are 3 red marbles, 3 blue marbles, and 1 green marble in a bag. A marble is drawn at random fr... If there are 6 blue marbles and 2 red marbles in a bag, what is the probability of picking a blue ma... There are red and blue marbles in a jar. There are 2 more red marbles than blue. There are 8 marbles... a bag contains 3 blue marbles 9 green marbles and 11 yellow marbles. twice you draw a marble and rep... a bag contains 8 blue marbles 6 red marbles and 4 green marbles .What is the probability of selectin... A bag contains 8 blue marbles, 6 green marbles, 12 yellow marbles, and 10 orange marbles. A marble i... A bag has 6 blue marbles, 4 red marbles, and 2 green marbles. Two marbles are randomly chosen withou... A bag of marbles has one blue, one yellow, and two green marbles. If you spin a fair spinner (lik...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use