A 95% confidence interval for the average starting salary for technology sector workers in Seattle was constructed using the results of a random survey of 45 new technology sector workers. • The interval was ($139,528, $154,454).
Required: With reference to the confidence interval and the indicated salaries, what can beconcluded about the average starting salary for technology sector workers in
Seattle?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

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.

How to find the exponential function y=ca^x, with points (1,2) and (2,1)