Stats homework for binomial Name (10) 1. You roll two dice 4800 times and you count the number of sums of 7 that you get. a) Find the mean and standard deviation for the sums of 7 obtained in 4800 rolls of the dice: mean = standard deviation = b) What is a reasonable range for the number of 7's in 4800 rolls? Answer: c) If someone rolled these dice 4800 times and got 1000 sums of 7 would you be surprised? Explain