Question

Suppose you have a box with 3 blue marbles, 2 red marbles, and 4 yellow marbles. You are going to pull out one marble, record its color, put it back in the box and draw another marble. What is the probability of pulling out a red marble followed by a blue marble?

Answer 1

Answer :

Given : you have a box with 3 blue marbles, 2 red marbles, and 4 yellow marbles. You are going to pull out one marble, record its color, put it back in the box and draw another marble

To find : the probability of pulling out a red marble followed by a blue marble

Solution :

Number of blue marbles = 3

Number of red marbles = 2

Number of yellow marbles = 4

Total number of marbled = 3 + 2 + 4

= 9

So probability of getting a red marble =$\sf\dfrac{1}{9}$

Also , probability of getting a blue marble =$\sf\dfrac{1}{9}$

Answer 2

Answer:

Given : you have a box with 3 blue marbles, 2 red marbles, and 4 yellow marbles. You are going to pull out one marble, record its color, put it back in the box and draw another marble

To find : the probability of pulling out a red marble followed by a blue marble

Solution :

Number of blue marbles = 3

Number of red marbles = 2

Number of yellow marbles = 4

Total number of marbled = 3 + 2 + 4

= 9

So probability of getting a red marble =

Also , probability of getting a blue marble =

Step-by-step explanation: