Lesson Posttest
Re
Question 4
Points 2
Roselin has a bag of fruit. The bag contains 5 apples, 9 peaches, and 5 oranges. How
many outcomes are possible in a single draw of fruit from the bag?
O
O
O
O

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

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.

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red