a bag has 5 red balls and 4 green balls A ball is drawn from the bag without looking into bag what is to probability of getting a red ball
Answers 2
Answer:
5/9
Step-by-step explanation:
probability of an event = number of trial which is expected outcome/ total number of trials
total trials = 5+4=9
P(e) = 5/9
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Author:
pork chopcu4o
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The probability of getting a red ball = 5/9
Given :
- A bag has 5 red balls and 4 green balls
- A ball is drawn from the bag without looking into bag
To find :
The probability of getting a red ball
Solution :
Step 1 of 3 :
Find total number of possible outcomes
The bag has 5 red balls and 4 green balls
Total number of balls = 5 + 4 = 9
So total number of possible outcomes = 9
Step 2 of 3 :
Find total number of possible outcomes for the event
Let A be the event that of getting a red ball
The bag has 5 red balls
So total number of possible outcomes for the event A is 5
Step 3 of 3 :
Find the probability
Hence the required probability
= P(A)
[tex]\displaystyle \sf{ = \frac{Number \: of \: favourable \: cases \: to \: the \: event \: A }{Total \: number \: of \: possible \: outcomes }}[/tex]
[tex] \displaystyle \sf{ = \frac{5}{9} }[/tex]
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