A company employs 14 executive 35 juniors executive 50 secretarial staff in 100 kids members in an effort to keep in formed about possible employee discontent the company decides to take a random sample of its employees every six months asking questions about job satisfaction

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.

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error