I think your answer should be C. 160,934 Centimeters. :) I rounded it to the nearest thousand, and it is 161,000. I also rounded it to the nearest ten thousand, and it was 160,000. So, C is your answer.
Assume a binomial distribution. Then the mean of the distribution is , where is the number of people taken in a sample and is the probability of the mutation occurring in any given person, and the standard deviation is . Then in this case, the standard deviation is .
