Sampling Plan Selection: Balloon Burst Spec: > = 309 psi Test Method: Variable Acceptance Criteria: 95% Confidence/99.9% Reliability Historical Data Available: Average = 490 Standard Deviation = 11.68 Ppk = 5.17 7 Assuming that a sample size of 15 is chosen, what does the true Pok need to be to have a 95% chance of passing? * (1 Point)