9. Hypothesis Testing for One Sample

Describe a Type I & Type II Error for each scenario.

$\left(A\right)$ A snack company guarantees that each bag contains at least 200 g of chips.

Describe a Type I & Type II Error for each scenario.

$\left(B\right)$ A computer repair store advertises the average repair cost as \$75 or less.

A furniture manufacturer claims that the mean production cost of a dining chair is \$50. Management wants to test if the cost has increased. What are the Type I & Type II Errors? Which is more serious?

Describe a Type I & Type II Error for each scenario.

$\left(C\right)$ A new cancer screening test reports whether a patient has cancer.