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
 

FAQ: 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?
Replies
7
Views
1K
Probability of selecting two white balls from two bags
Replies
2
Views
2K
B Relative And Absolute Probability (Probability Of Picking A Red Ball)
Replies
8
Views
689
Make 2 launchers that shoot a straw with clay at the end
Replies
3
Views
827
Probability Problem: Choosing White Balls from a Mixed Bag
Replies
10
Views
2K
Finding a Mistake: Probability of Y with X and Spins
Replies
7
Views
2K
How do I find the circumference and Area of this figure?
Replies
24
Views
1K
Probability/Combinatorics: # ways of picking 5 from 3 groups of 6
Replies
7
Views
2K
Combinatorics: Seating Problem
Replies
5
Views
2K
What Is the Probability of Drawing One White and One Green Marble?
Replies
4
Views
2K

Hot Threads

Recent Insights

Back
Top