Mathematics

Problem

In 50 tosses of a coin, heads did not appear at all. Let

E

be “getting heads” and

E'

be “not getting heads”. Which option correctly classifies

E

and

E'

based on these results? a)

E

: Impossible,

E'

: Certain b)

E

: Possible,

E'

: Certain c)

E

: Possible,

E'

: Possible d)

E

: Certain,

E'

: Impossible