statistics problems-please show work | Mathematics homework help
· 11.60 Suppose that in Example 11.1 we wanted to determine whether there was sufficient evidence to conclude that the new system would not be costeffective. Set up the null and alternative hypotheses and discuss the consequences of Type I and Type II errors. Conduct the test. Is your conclusion the same as the one reached in Example 11.1? Explain. · EXAMPLE 11.1 Department Store’s New Billing System · · The manager of […]