MATH SOLVE

2 months ago

Q:
# Every cereal box has a gift inside, but you cannot tell from the outside what the gift is. the store manager assures you that 13 of the 47 boxes on the shelf have the secret decoder ring. the other 34 boxes on the shelf have a different gift inside. if you randomly select two boxes of cereal from the shelf to purchase, what is the probability that both of them have the secret decoder ring?

Accepted Solution

A:

we know that

[probability that both have the secret decoder ring]=(13/47)*(12/46)

[probability that both have the secret decoder ring]=(156/2162)

[probability that both have the secret decoder ring]=0.0722-------> 7.22%

the answer is 0.0722 (7.22%)

[probability that both have the secret decoder ring]=(13/47)*(12/46)

[probability that both have the secret decoder ring]=(156/2162)

[probability that both have the secret decoder ring]=0.0722-------> 7.22%

the answer is 0.0722 (7.22%)