I never went to university
xanax headache So if they say "it is extremely likely humans are the dominant cause of warming in the past 60 years," this has been given a probability range of 95 to 100 percent. If you had a bag with one hundred balls in it, 95 red and 5 black, pulling out a ball at random would, in their terms, be "extremely likely" to be red. In fact, if you had to bet your house on it, you would bet on red not black.