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Probability: Quiz 3
Probability: Quiz 3
1) A bag contains 5 green balls, 3 red balls and 2 blue balls. What is the probability of:
a) picking a red ball?
b) not picking a red ball?
c) picking a green ball?
d) not picking a green ball?
e) picking a blue ball?
f) not picking a blue ball?
2) The probability that a netball team wins in 0.4. What is the probability that they do not win (they draw or lose)?
3) A fruit bowl contains 3 different types of fruits. There are 3 bananas, 2 pears and 4 apples. What is:
a) the probability of picking a banana?
b) the probability of not picking a pear?
c) the probability of not picking an apple?
d) the probability of not picking a pear or a banana?
4) I have a fair dice. Work out the probabilities for the following events occurring:
a) rolling a 6
b) not rolling a 6
c) rolling a number less than 5
d) not rolling a number less than 5
e) not rolling a 7
f) not rolling a 3 or a 4
g) not rolling a 1, 5 or 6
a) picking a red ball?
b) not picking a red ball?
c) picking a green ball?
d) not picking a green ball?
e) picking a blue ball?
f) not picking a blue ball?
2) The probability that a netball team wins in 0.4. What is the probability that they do not win (they draw or lose)?
3) A fruit bowl contains 3 different types of fruits. There are 3 bananas, 2 pears and 4 apples. What is:
a) the probability of picking a banana?
b) the probability of not picking a pear?
c) the probability of not picking an apple?
d) the probability of not picking a pear or a banana?
4) I have a fair dice. Work out the probabilities for the following events occurring:
a) rolling a 6
b) not rolling a 6
c) rolling a number less than 5
d) not rolling a number less than 5
e) not rolling a 7
f) not rolling a 3 or a 4
g) not rolling a 1, 5 or 6