Question 12 Tyreke has a bank account that currently has some savings. Every week the balance in his bank increases by $425 anel ne makes a deposit. After the first week, his bank balance. Mì, nas a value of
$2,525
Which explicit and recursive rule can be used to find the bank balance, M, after n weeks?

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.