Question

in a lottery there are 10 prizes and 20 blanks a ticket is chosen at random what is the probability of getting a prize

Answer 1

Answer:

Step-by-step explanation:

Total number of tickets = 10+20=30

Number of prize tickets =10

P(getting a prize) =10/30 =1/3

Answer 2

Answer:

Step-by-step explanation:

• total sum=10+20=30

• so total prizes =10(given)

• so probability=no of outcomes /total no of outcomes

• i.e. 10/30=1/3