Task: Question Answering
Input (English): Problem: in a certain animal population , for each of the first 3 months of life , the probability that an animal will die during that month is 1 / 10 . for a group of 600 newborn members of the population , approximately how many would be expected to survive the first 3 months of life ? 
Options: a ) 438 , b ) 446 , c ) 452 , d ) 462 , e ) 470
Output (English): a