Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: PLUMBER SALARIES The population mean annual salary for plumbers is $46,700. A random sample of 42 plumbers is drawn from this population. What is the probability (to three significant figures) that the mean salary of the sample is less than $44,000? Assume [sigma equals]$5600. [P open parentheses x with bar on top less than $ 44 comma 000 close parentheses equals] _____
Right answer summary: part 1: 0.00089
Question state: todo