Mrs william has a prized box with different colored tickets. each ticket results in different type of prize. 3 green tickets 4 yellow tickets 3 purple tickets pedro will randomly select a ticket, replace it and then select another ticket. what is the probability that he chooses a yellow ticket and then a purple ticket ?

Step-by-step explanation:

Since we have given that

Number of green tickets =3

Number of yellow tickets = 4

Number of purple tickets = 3

Total number of tickets = 3+4+3=10

Now,

As we know that Pedro select a ticket and replace it and then select another ticket , total number of outcomes will never change it will be 10 only for each case.

Probability that he chooses a yellow ticket and then a purple ticket is given by

if x decreases by 4 then y increases by 10

step-by-step explanation: