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

What is the probability of getting one head?

A)  0                                            

B)         \[\frac{1}{9}\]      

C)         \[\frac{11}{18}\]                                             

D)        \[\frac{5}{18}\]