Find the probability of different scenarios

In summary, Bag A contains 1 white straw, 2 red straws and 2 green straws, while Bag B contains 2 white straws, 2 red straws, and 1 green straw. When one straw is randomly drawn from each bag, the probabilities that (a) the two straws drawn are of the same colour is 3/5, and (b) one straw is red and the other one is green is 4/25.
  • #1
LokLe
37
5
Summary:: Bag A contains 1 white straw, 2 red straws and 2 green straws. Bag B contains 2 white
straws, 2 red straws and 1 green straw. One straw is drawn at random from each bag. Find the
probabilities that
(a) the two straws drawn are of the same colour;
(b) one straw is red and the other one is green.

I don't know if my answers are correct.

My answers are:
a. 1/5*2/5+2/5*2/5+1/5*2/5

b. 2/5*1/5+2/5*2/5
 
Physics news on Phys.org
  • #2
Correct, but please post homework problems in our homework section (I moved the thread).
You should probably evaluate these expressions for final answers.
 
  • Like
Likes LokLe
  • #3
mfb said:
Correct, but please post homework problems in our homework section (I moved the tread).
You should probably evaluate these expressions for final answers.
Ok thx
 

Related to Find the probability of different scenarios

1. What is probability and why is it important in scientific research?

Probability is a measure of how likely an event is to occur. It is important in scientific research because it allows us to make predictions and draw conclusions based on data.

2. How do you calculate probability?

Probability is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. This can be represented as a fraction, decimal, or percentage.

3. What are the different types of probability?

There are three main types of probability: theoretical, experimental, and subjective. Theoretical probability is based on mathematical calculations and assumes that all outcomes are equally likely. Experimental probability is based on actual data collected from experiments. Subjective probability is based on personal beliefs or opinions.

4. How can probability be used to make decisions?

Probability can be used to make decisions by providing a measure of uncertainty. By understanding the likelihood of different outcomes, we can make more informed decisions and minimize risk.

5. Can probability be used to predict the future?

While probability cannot guarantee the exact outcome of a future event, it can be used to make predictions based on past data and trends. However, it is important to note that probability is not a crystal ball and unexpected events can always occur.

Similar threads

Multi-event probability puzzle - is my answer correct?
    • Precalculus Mathematics Homework Help
Replies
7
Views
871
Probability of selecting two white balls from two bags
    • Precalculus Mathematics Homework Help
Replies
2
Views
1K
Make 2 launchers that shoot a straw with clay at the end
    • Introductory Physics Homework Help
Replies
3
Views
472
Finding a Mistake: Probability of Y with X and Spins
    • Precalculus Mathematics Homework Help
Replies
7
Views
2K
How do I find the circumference and Area of this figure?
    • Precalculus Mathematics Homework Help
Replies
24
Views
420
Probability/Combinatorics: # ways of picking 5 from 3 groups of 6
    • Precalculus Mathematics Homework Help
Replies
7
Views
1K
Combinatorics: Seating Problem
    • Precalculus Mathematics Homework Help
Replies
5
Views
1K
Probability Problem: Choosing White Balls from a Mixed Bag
    • Precalculus Mathematics Homework Help
Replies
10
Views
2K
Probability of getting the smallest value of cards
    • Precalculus Mathematics Homework Help
Replies
9
Views
1K
Converting number base of decimals
    • Precalculus Mathematics Homework Help
Replies
11
Views
918

Hot Threads

Recent Insights

Back
Top