waecmaths question:
Donation during the launching of church project were in sealed enveloped . The table show the distribution of the amount of money in the envelope
|
No. of envelopes |
4 |
7 |
20 |
9 |
4 |
5 |
3 |
1 |
2 |
|
Amount (N) |
5000 |
2000 |
1000 |
700 |
500 |
100 |
50 |
2 |
10 |
How much was the total donation?
Option A:
26,792.00
Option B:
26,972.00
Option C:
62,792.00
Option D:
62,972.00
waecmaths solution:
|
Amount x |
f |
fx |
|
5000 |
4 |
20000 |
|
2000 |
7 |
14000 |
|
1000 |
20 |
20000 |
|
700 |
9 |
6300 |
|
500 |
4 |
2000 |
|
100 |
5 |
500 |
|
50 |
3 |
150 |
|
2 |
1 |
2 |
|
10 |
2 |
20 |
|
|
Total |
62,972 |
Solution: Option B
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