1. If we take a normal pack of 52 cards, what is the probability of drawing:
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(a) A king? |
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2. A die is thrown. What is the probability of throwing:
(a) A five?
(b) A number less than a 3?
(c) An even number?
3. Jane's birthday is on 22 November. What is the probability that her birthday will be on:
(a) A Friday?
(b) A day beginning with a 't'?
4. In a town, three out of eight children own a bicycle. If there are 2000 children in the town, how many would you expect to own a bicycle?
5. A bag contains 12 white balls and 6 red balls. A student takes a ball from the bag.
What is the probability that the ball is:
(a) White?
(b) Red?
(c) Green?
6. If two one dollar coins are tossed together:
(a) List the sample space of the outcomes, e.g. {(T, T),...}
(b) What is the probability of getting:(i) Two heads?
(ii) At least one tail?
7. A die is rolled 60 times. How many times would you expect to throw:
(a) a 5 or a 6?
(b) an even number?
(c) numbers less than 4?
8. A die is rolled twice and the total is noted. Find the probability of getting:
(a) Two fours.
(b) A total of 7.
(c) A double.
9. A blindfolded person throws a dart at a dart board split into 6 sections as shown below and marked with numbers from 1 to 6 as in the diagram. All darts hit the board.
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The circle shown has angles of 90° and 45° |
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