Question

Two coins were tossed 20 times simultaneously .each time the number of heads occuring was noted down as follows : 0,1,1,2,0,1,2,0,0,1,2,2,0,2,1,0,1,1,0,2 prepare a frequency distribution table for the data.

Answer 1

No. of times heads occurred frequency

0 7

1 7

2 6

Answer 2

Refer to the attachment