Airlines monitor the causes of flights arriving late 75 of f

Airlines monitor the causes of flights arriving late. 75% of flights are late because of weather, 35% of flights are late because of ground operations. 10% of flights are late because of weather and ground operations. What is the joint probability that a flight arrives late because of weather and ground operations?

Solution

What is the joint probability that a flight arrives late because of weather and ground operations?

10%

because 10% of flights are late because of weather and ground operations