Five coins were simultaneously tossed 1000 times and at each toss the number of heads were observed. The number of tosses during which 0, 1, 2, 3, 4 and 5 heads were obtained are shown in the table below. Find the mean number of heads per toss.
No. of heads per toss |
No. of tosses |
0 |
38 |
1 |
144 |
2 |
342 |
3 |
287 |
4 |
164 |
5 |
25 |
Total |
1000 |