Using this number cube and spinner, which simulation would help you answer this question?

Over the past 50 years, records for one northwest city show that snow fell on the first day of winter 16 of the time. If you choose a year at random, what are the chances that the first day of winter will be a snowy Monday?

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.