T1W7 TS Q11 – Selective High School

A new safety protocol will be approved when it passes all safety criteria.

To pass all of the safety criteria, the safety protocol goes through rigorous stress tests.

If the failure rate for the stress test is greater than 1%, the new safety protocol will not be approved.

Which of the following options is not possible?

Even though the stress test failure rate is less than 1%, the new safety protocol is approved. Even though the failure rate for the stress test was less than 0.5%, the new safety protocol is not approved. The rigorous testing showed a greater than 0.5% failure rate and the new safety protocol was not approved. The new safety protocol is not approved after failing one of its criteria.

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Which of the following options is not possible?