Welcome to the article There are 2 red pens 3 blue pens 1 black pen and 4 green pens in a desk drawer You randomly choose one Find each. On this page, you will learn the essential and logical steps to better understand the topic being discussed. We hope the information provided helps you gain valuable insights and is easy to follow. Let’s begin the discussion!
Answer :
Total number of pens 10, p(red)=1/5,probability of black is 1/10,
Probability of purple is 0/10,Probability of not green is 3/5,P (black or red) is 3/10,Probability of orange is 0/10
What is Probability?
It is a branch of mathematics that deals with the occurrence of a random event.
Given,
There are 2 red pens, 3 blue pens, 1 black pen, and 4 green pens in a desk drawer
The sum of all pen types is: 2 + 3 + 1 + 4 = 10
Total number of pens are 10
1. P (red)
There are 2 red pens, so the fraction is 2/10 which when simplified is 1/5
So probability of red is 1/5
2. P (black)
There is one black pen, so simplified it will be 1/10
probability of black is 1/10
3. P (purple)
There are no purple pens, so its just 0/10
Probability of purple is 0/10
4. P (not green)
There are ten pens total. 4 of them are green, so we subtract the number of green pens to the number of pens total, 10 - 4 = 6
So 6/10 which simplified is 3/5
Probability of not green is 3/5
5. P (black or red)
We find the sum of red and black pens, so its 3/10 which cannot be simplified any further
P (black or red) is 3/10
6. P (orange)
There are no green pens, so its 0/10
Probability of orange is 0/10
Hence total number of pens 10, p(red)=1/5,probability of black is 1/10,
Probability of purple is 0/10,Probability of not green is 3/5,P (black or red) is 3/10,Probability of orange is 0/10
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- What is the perimeter of the figure 32 0cm 51 0cm 19 0cm 63 0cm.
- The sign shows when a lift is safe to use the total mass of people should be 480 kg or less Fred and some other.
- The sign shows when a lift is safe to use the total mass of people should be 480 kg or less Fred and some other
Rewritten by : Brahmana
Answer:
total = 10
1. 1/5
2. 1/10
3. 0/10
4. 3/5
5. 3/10
6. 0/10
Step-by-step explanation:
total;
The sum of all pen types is: 2 + 3 + 1 + 4 = 10
Pen types are:
red
blue
black
green
1. P (red)
There are 2 red pens, so the fraction is 2/10 which when simplified is 1/5
2. P (black)
There is one black pen, so simplified it will be 1/10
3. P (purple)
There are no purple pens, so its just 0/10
4. P (not green)
There are ten pens total. 4 of them are green, so we subtract the number of green pens to the number of pens total, 10 - 4 = 6
So 6/10 which simplified is 3/5
5. P (black or red)
We find the sum of red and black pens, so its 3/10 which cannot be simplified any further
6. P (orange)
There are no green pens, so its 0/10