There are 20 socks in your drawer, and 12 of them are white. You grab a sock without looking. Then you grab a second sock without putting the
first one back. What is the probability that both socks are white?

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.

Describe how you can act financially responsible.

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount