Test: Probability - Ambitious

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Question 1:   Probability that a factory doesn't meet it's production limit is 3 25 . What is the probability that a factory meets the production limit?
80%
12%
22 25
1 5
Question 2:   What is the probability of throwing 3 with a cube shaped dice?
1 6
1 2
1
1 3
Question 3:   What is the probability of throwing 4 or 5 with a dice?
1 3
1 2
1 12
1 6
Question 4:   What is the probability of throwing 6 in a first try and 1 in the second throw with a dice?
1 3
1 12
1 6
1 36
Question 5:   What is the probability of picking red king, red queen and red jack from a pack of cards?
1 52
1 8
3 26
3 52
Question 6:   Dice was thrown 100 times. Number 2 was picked 11 times. What is the relative frequency of 2 ? Is the dice fair?
0.09, not fair
0.17, fair
0.16, fair
0.11, not fair
Question 7:   There are 6 green balls and 4 purple balls in a box. What is the probability of picking the green ball?
P( G )= 3 5
P( G )= 3 10
P( G )= 2 5
P( G )= 1 2
Question 8:   Six friends sent each other postcards from summer holidays. How many postcards were sent in total?
30
36
18
15
Question 9:   Six friends shook hands with each other for goodbye. How many handshakes there were in total?
18
36
15
30
Question 10:   There are 6 green and 4 purple balls in a box. How many purple balls must be added to the box, so that probability of picking a purple ball is 2 3 ?
2
4
6
8