If there is a solar eclipse, we see a shadow because the sunlight is . A. none of the above
B. reflected by moon
C. refracted by moon
D. absorbed by moon

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

Place me with this question is my last question

The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).