9 Computer software for performing product reliability analysis in order to manage product and system quality, reliability, safety, risk and regulatory compliance, namely, software for determining system and component failure and maintenance characteristics and metrics; for analyzing system performance for maintenance, spare parts, and repair trade-offs policies; for identifying potential reliability and safety defects and failure modes to prioritize corrective action requirements; for quantifying system risk and determining criteria impacting failure probability; for tracking, analyzing and correcting problems found during product testing and operation; for defining system repair properties; for analyzing life data to discover failure trends and predict failure behavior; and for analyzing associated life cycle costs