1.

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.        \[\frac{5}{18}\]
Answer» E.


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