Outcomes and the Type I and Type II Errors · Exercise 11

State the Type I and Type II errors in complete sentences given the following statements.

(a) The mean number of years Americans work before retiring is 34.
(b) At most 60% of Americans vote in presidential elections.
(c) The mean starting salary for San Jose State University graduates is at least $100,000 per year.
(d) Twenty-nine percent of high school seniors get drunk each month.
(e) Fewer than 5% of adults ride the bus to work in Los Angeles.
(f) The mean number of cars a person owns in their lifetime is not more than ten.
(g) About half of Americans prefer to live away from cities, given the choice.
(h) Europeans have a mean paid vacation each year of six weeks.
(i) The chance of developing breast cancer is under 11% for females.
(j) Private universities mean tuition cost is more than $20,000 per year.

OpenStax, Introductory Statistics 2e · §9.2 Outcomes and the Type I and Type II Errors · Exercise 11