Consider the following binomial experiment. suppose that 81% of mice that consumed a certain poison will die from it. if 1,700 mice consume the poison, what is the standard deviation of the number of mice that will die from it?

a) 3.23
b) 261.63
c) 13.77
d) 1,377
e) 16.17
f) none of the above.

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.