With this specific wording, order should not matter. A reasonable assumption is that the probability of either girl or boy is 0.5 If you solve it with order by mistake, you can just multiply the answer by 3 (since there are three arrangements GGB, GBG, BGG)

A family has three kids. What is the probability that there are 2 girls and 1 boy ? Does the order matter in this case ?

With this specific wording, order should not matter. A reasonable assumption is that the probability of either girl or boy is 0.5 If you solve it with order by mistake, you can just multiply the answer by 3 (since there are three arrangements GGB, GBG, BGG)

regards

J