Probability Question pls help

Question

10 randomly selected children are asked if they eat this kind of fruits: mango, blueberry, strawberry, apple, grapes, avocado, orange, banana

Child 1 - blueberry, strawberry, banana, mango

Child 2 - none of the above

Child 3 - strawberry, apple, grapes, avocado

Child 4 - avocado, orange, blueberry

Child 5 - mango, blueberry, strawberry

Child 6 - strawberry, grapes

Child 7 - orange, banana, grapes, blueberry

Child 8 - apple, mango, blueberry, avocado, strawberry

Child 9 - banana, avocado, mango, orange

Child 10 - none of the above

Question:

1) What is the probability that a randomly selected child eats mango or strawberry?

2) What is the probability that a randomly selected child eats blueberry and mango?

Answer 1

1. p=(How many like strawberry or mango)/10; Don't double count those that like both. Now just add them up: child 1,3,5,6,8,9 for a total. p = 6/10
2. p=(How many like blueberry and mango)/10. Child must like both: child 1,5,and 8. p = 3/10