4 ms·
>>> p = 1.2e6/7e9 # Probability of dying in any one year >>> scipy.exp(log(1-p)*70) # Probability of NOT dying 70 years in a row 0.98807069644395429 >>> 1
by Estragon 16y ago
>>> p = 1.2e6/7e9 # Probability of dying in any one year
>>> scipy.exp(log(1-p)*70) # Probability of NOT dying 70 years in a row
0.98807069644395429
>>> 1-_
0.011929303556045712
There might be some roundoff error in the exponentiation. I am too lazy to check.