Question

A bag contains 8 white, 5 green, and 9 yellow marbles.The probability of getting a yellow marble, when one marble is drawn randomly is

Answer 1

Answer:0.4090

Step-by-step explanation:

Total number of marbles=22

Total number of yellow marbles=9

Probability of getting a yellow marble=9/22

                                                                 =0.4090

Answer 2

The probability of getting a yellow marble = 9/22

Given :

A bag contains 8 white, 5 green, and 9 yellow marbles

To find :

The probability of getting a yellow marble, when one marble is drawn randomly

Solution :

Step 1 of 3 :

Find total number of possible outcomes

The bag contains 8 white, 5 green, and 9 yellow marbles

Total number of marbles

= 8 + 5 + 9

= 22

So total number of possible outcomes = 22

Step 2 of 3 :

Find total number of possible outcomes for the event

Let A be the event that of getting a yellow marble, when one marble is drawn randomly

Number of yellow marbles = 9

So total number of possible outcomes for the event A is 9

Step 3 of 3 :

Find the probability

Hence the required probability

= P(A)

$\displaystyle \sf{ = \frac{Number \: of \: favourable \: cases \: to \: the \: event \: A }{Total \: number \: of \: possible \: outcomes }}$

$\displaystyle \sf{ = \frac{9}{22} }$

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