1. Use the following frequency table for the sales of types of cars, to calculate the relative frequencies and complete the table:
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Types of car
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Frequency
|
Relative frequency
|
||
|
Fraction
|
Decimal
|
Percentage
|
||
|
Toyota
|
30
|
 |
||
|
Honda
|
16
|
|||
|
Mitsubishi
|
24
|
|||
|
Holden
|
10
|
|||
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Total
|
80
|
1
|
1
|
100%
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2. If we take a normal pack of 52 cards, what is the probability of drawing:
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(a) A queen? |
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3. A die is thrown. What is the probability of throwing:
(a) A six?
(b) A number less than a 4?
(c) An odd number?
4. Jane's birthday is on 22 November. What is the probability that her birthday will be on:
(a) A Thursday?
(b) A day beginning with a 's'?
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. 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 6?
7. A blindfolded person throws a dart at a dart board split into 8 equal parts 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 45o |
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