Hello, sahip

A website sells 3 types of chocolate bars of equal weight.

If John orders 2 chocolate bars at random from the website, then melts them together,

what is the probability that the resulting mix contains at least 50% cocoa by weight ?

. .

There are six equally likely outcomes: .MM, MD, MB, DD, DB, BB

The cocoa content is given by:

. .

Therefore: .