High School

The table below shows the times taken for a group of athletes to finish a 200 m race. Work out the percentage of the athletes who took more than 28 s to finish the race.

| Time, t (s) | Frequency |
|-------------|-----------|
| 24 | 3 |
| 26 | 6 |
| 28 | 9 |
| 30 | 7 |

Answer :

Therefore , the solution of the given problem of percentage comes out to be athletes who took move 285 to finish the race is 64%.

Define percentage.

A percentage is what is used to describe a fraction of a whole when it is stated as a number range between 0 and 100. 100% of something, 50% of something, and 0% of something are all equal. After dividing the portion of the whole by the entire, multiply the result by 100 to arrive at a percentage.

Here,

For the table to get the total frequency is:

=> 3+6+9+7

=>9+9+7

=>25

The frequency greater than 285 is

9+7 = 16

So,

the percentage of the athletes who took move 285 to finish the race is:

=> 16/25 * 100

=> 0.64 * 100

=> 64%

Therefore , the solution of the given problem of percentage comes out to be athletes who took move 285 to finish the race is 64%.

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