A single coin tossed 300 times head were observed a 180 times what is a long run.Relative frequency of tales express answer in a decimal form

In the long run, the relative frequency of tails can be calculated as the number of times tails occurred divided by the total number of tosses.

Therefore, relative frequency of tails = (Total number of tosses - Number of heads) / Total number of tosses
= (300 - 180) / 300
= 120 / 300
= 0.4

Therefore, in the long run, the relative frequency of tails is 0.4.