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.

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

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

A public health agency claimed last year that the proportion of children vaccinated for measles met their goal of 85%, however, they want to test if the current proportion falls shy of that goal. What are the Type I & Type II Errors? Which is more serious?