Вероятность безотказной работы обоих элементов в течение времени t:<img src="/close/store/examRes/%7BB3903ACE-BFF8-405C-8848-B9C95DD220A9%7D/13.bmp" /><img src="/close/store/examRes/%7BB3903ACE-BFF8-405C-8848-B9C95DD220A9%7D/12.bmp" /><img src="/close/store/examRes/%7BB3903ACE-BFF8-405C-8848-B9C95DD220A9%7D/14.bmp" /><img src="/close/store/examRes/%7BB3903ACE-BFF8-405C-8848-B9C95DD220A9%7D/15.bmp" /> <img src="/img/33/5420b957c15d0aaf9effed1a1b.bmp" />, <img src="/img/82/59d9092e32d88cd04ca742313f.bmp" />, <img src="/img/3f/f13fc3ee16ba7fceca58ba2d54.bmp" />, <img src="/img/dd/7daa13fabd9b4e500224b2c23b.bmp" />