Answer
Type 1 error: If we reject the null hypothesis, $σ \geq 12$, while actually the claim that the length of time to play a game has a standard deviation of more than 12 minutes, is true.
Type 2 error: If we fail to reject the null hypothesis, $σ \geq 12$, while actually the claim that the length of time to play a game has a standard deviation of more than 12 minutes, is false.
Work Step by Step
As given above