1. If the probability of rain on Monday is 0.3, on Tuesday is 0.4, and on Wednesday is 0.5, what is the probability that it will rain on at least one of these days? (Assume the events are independent)

2. A fair six-sided die is rolled. What is the probability of rolling an even number or a number greater than 4?

3. In a class of 60 students, 35 play soccer, 30 play basketball, and 20 play both sports. What is the probability that a randomly selected student plays at least one of these sports?

4. If you roll three fair six-sided dice, what is the probability of getting a sum of 7?

5. If you randomly select a day of the week, what is the probability that it's a weekday (Monday to Friday)?

6. In a group of 50 people, 30 speak English and 25 speak French. If 5 people speak neither language, how many speak both languages?

7. A box contains 3 red balls, 4 blue balls, and 5 green balls. If you draw three balls without replacement, what is the probability that you draw one of each color?

8. In a group of 70 people, 40 like coffee, 35 like tea, and 15 like both. What is the probability that a randomly selected person likes neither coffee nor tea?

9. A bag contains 4 red marbles, 5 blue marbles, and 6 green marbles. If you draw three marbles without replacement, what is the probability that you draw one of each color?

10. In a bag, there are 5 red marbles, 3 blue marbles, and 2 green marbles. If you draw one marble at random, what is the probability of drawing a red marble?