Probability of events – Medium
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Question 1 of 25
1. Question
A bag contains 13 pens, 9 are blue and 1 is black and 3 are purple. What is the probability of picking a black?

Question 2 of 25
2. Question
There are 25 balls in a bag, 13 are purple, 7 are red and the rest are yellow, what is the probability of picking a yellow ball (as a percentage)?

Question 3 of 25
3. Question
A bag contains 16 pens, 8 are white and 7 are yellow and 1 is pink. What is the probability of picking a yellow?

Question 4 of 25
4. Question
There are 75 phones in a bag, 28 are iPhone, 22 are Samsung and the rest are Nokia, what is the probability of picking a Nokia phone (as a fraction)?

Question 5 of 25
5. Question
A bag contains 10 balls, 3 are orange and 3 are pink and 4 are red. What is the probability of picking a pink (as a percentage)?

Question 6 of 25
6. Question
A bag contains 8 shapes, 3 are triangles and 4 are squares and 1 is a circle. What is the probability of picking a square (as a percentage)?

Question 7 of 25
7. Question
A fair 6sided dice is rolled, what is the probability percentage that it will land on an odd number?

Question 8 of 25
8. Question
There are 20 balls in a bag, 10 are blue, 5 are green and the rest are orange. What is the probability of picking an orange ball (as a decimal)?

Question 9 of 25
9. Question
There are 100 balls in a bag, 80 are red, 5 are brown and the rest are purple What is the probability of picking a purple (as a decimal)?

Question 10 of 25
10. Question
Which of the following statements are true?

Question 11 of 25
11. Question
A bag contains red, blue and green balls only. If there is a 40% probability it will be red and a 0.1 probability it will be green, what is the probability it will be a blue ball?

Question 12 of 25
12. Question
There are 50 balls in a bag, 25 are yellow, 5 are brown and the rest are green What is the probability of picking a green (as a percentage)?

Question 13 of 25
13. Question
There are 20 counters in a bag, 9 are pink, 9 are green and 2 are purple. What is the probability of picking a purple counter (as a percentage)?

Question 14 of 25
14. Question
There are 20 girls in a class and 5 wear glasses. What is the probability of picking a girl who doesnâ€™t wear glasses?

Question 15 of 25
15. Question
A bag contains 10 balls, 3 are blue and 5 are green and 2 are orange. What is the probability of picking an orange?

Question 16 of 25
16. Question
There are 30 boys in a class and 20 play football. What is the probability of picking a boy who doesn’t play football?

Question 17 of 25
17. Question
A bag contains 15 counters, 4 are yellow and 6 are red and 5 are brown. What is the probability of picking a yellow?

Question 18 of 25
18. Question
There are 15 girls in a class. 5 of the girls have blue eyes What is the probability of picking a girl with blue eyes?

Question 19 of 25
19. Question
There are 25 balls in a bag, 13 are purple, 7 are red and the rest are yellow, what is the probability of picking a yellow ball (as a percentage)? 
Question 20 of 25
20. Question
There are 75 phones in a bag, 28 are Iphone, 22 are Samsung and the rest are Nokia, what is the probability of picking a Nokia phone (as a fraction)? 
Question 21 of 25
21. Question
There is a bag filled with yellow and brown watches. Based on the tree diagram, what is the probability of picking a yellow watch?

Question 22 of 25
22. Question
A bowl is filled with apples and lemons. Based on the tree diagram, what is the probability of picking a lemon (as a percentage)?

Question 23 of 25
23. Question
A bag is filled with white and orange counters. Based on the tree diagram, what is the probability of picking out a white counter?

Question 24 of 25
24. Question
A student is picked at random from the class. Based on the table, what is the probability that the student will not have glasses?

Question 25 of 25
25. Question
A number of people were asked to fill a survey about their favourite ice cream flavours and at random one of those people are picked. Based on the table, what is the probability that the personâ€™s favourite flavour is strawberry?