Glen Evans is an emergency medical technician for alocal rescue team and is routinely called on to renderemergency care to citizens facing crisis situations. AlthoughGlen has received extensive training, he also relies heavilyon his equipment for support. During a normal call, Glenuses five essential pieces of equipment, whose individualreliabilities are 0.98, 0.97, 0.95, 0.96, and 0.99, respectively.a. Glen claims his equipment has maximum probability offailure of 5%. Is he correct? b. What individual equipment reliabilities would guaran-tee an overall reliability of 96%?

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Author:WINSTON, Wayne L.
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Glen Evans is an emergency medical technician for a
local rescue team and is routinely called on to render
emergency care to citizens facing crisis situations. Although
Glen has received extensive training, he also relies heavily
on his equipment for support. During a normal call, Glen
uses five essential pieces of equipment, whose individual
reliabilities are 0.98, 0.97, 0.95, 0.96, and 0.99, respectively.
a. Glen claims his equipment has maximum probability of
failure of 5%. Is he correct?

b. What individual equipment reliabilities would guaran-
tee an overall reliability of 96%?

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