We know that,
Probability of any event = (Number of favorable outcome) / (Total number of trials)
Total number of trials = 95 + 290 + 115 = 500
Now,
P(Getting two heads) = \(\frac{95}{500}\) = 0.19
P(Getting one tail) = \(\frac{290}{500}\) = 0.58
P(Getting no head) = \(\frac{115}{500}\) = 0.23