The owner of Get-A-Way Travel has recently surveyed a random…
The owner of Get-A-Way Travel has recently surveyed a random sample of 385 customers of the agency. He would like to determine if the mean age of the agency’s customers is over 31 years. If so, he plans to alter the destination of their special cruises and tours. If not, no changes will be made. He therefore wants to test: Ho: μ = 31 years Ha: μ > 31 years If he concludes that the mean age is over 31 years when in fact it is not over 31 years, he makes a ________ error.