question_answer

Direction: Two coins are tossed 90 times and data recorded as given in the table.

Number of heads in a trial	0	1	2
Frequency	10	25	55

Find the proability of getting atleast one head.

A) \[\frac{8}{9}\]                                   

B)         \[\frac{1}{9}\]      

C)         \[\frac{5}{18}\]                               

D)         \[\frac{11}{18}\]