This question has four parts. Two football games were played at a stadium on the same day. Part A At the start of the first game of the stadium's seats were filled with people. At the end of the game, 2 3 of those seats remained filled Write an equation that can be used to determine p, the fraction of the stadium's seats that remained filled with people at the end of the first game Enter your equation in the space provided. Enter only your equation.​

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.