If a single MBP has a 50% probability of being flawless and you purchase two of them, what is the

[mrex]

The question is stupid. It doesnt say how the probability was formed. If it is based on the items manufactured and in the stock (50/50), the probability for the next unit depends on the first one.

If it is not based on the items, the question is odd (how did they calculate the 50/50 chance.)