Can someone me! cardinals migrate south for the winter. if the distance to the south from where they are is 620 miles and the cardinals fly at a speed of 20 miles per hour, how long does it take the cardinals to get to the south? question options: 31 hours 12,400 hours 310 hours 4 days sam typed 570 words in 15 minutes. if he continues to type at this rate, how many words will he have typed in 2 hours? question options: 1,900 4,560 1,140 8,550

The ratio of wooden bats to metal bats in the baseball coach’s bag is 2 to 1. if there are 20 wooden bats, how many metal bats are in the bag?

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.

Round each of the decimals to the nearest hundredth a. 0.596 b. 4.245 c. 53.6843 d. 17.999