Handling Data 4
3 marks · EasyA die is thrown 12 times. The outcomes are recorded as follows:
| Throw | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Result | 6 | 4 | 3 | 2 | 4 | 1 | 2 | 6 | 3 | 5 | 4 | 1 |
Use the results to answer the following questions:
Work out the number of times the result was an even number.
Calculate the experimental probability of throwing a '4'. Give your answer as a fraction in its simplest form.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
(a) 6
(b)
Show mark scheme and worked solution
Marking points
M1 (a) · 1 mark · Counts correct number of even results (2, 4, 6)
M2 (b) · 1 mark · Correctly finds number of '4's and total throws
A1 (b) · 1 mark · Gives answer as simplified fraction
Worked solution
a) Even numbers: 6, 4, 2, 4, 2, 6, 4 (total 6)
b) Number of times '4' appears = 3. Probability = 3/12 = 1/4