question_answer

Two coins are tossed 500 times the outcomes are recorded as below:
No. of tails	0	1	2
Frequency	120	175	205
Based on this information, the probability for at least 1 tail is _________

A) \[\frac{1}{25}\]                                                 

B) \[\frac{17}{25}\]

C) \[\frac{18}{25}\]                                                                       

D) \[\frac{19}{25}\]

E) None of these